2019979800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{271}}^1$

素因数の和:435

約数の個数: 288

約数和(自身を含む): 7043924160

約数和(自身を除く): 5023944360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 41, 45, 50, 60, 72, 75, 82, 90, 100, 101, 120, 123, 150, 164, 180, 200, 202, 205, 225, 246, 271, 300, 303, 328, 360, 369, 404, 410, 450, 492, 505, 542, 600, 606, 615, 738, 808, 813, 820, 900, 909, 984, 1010, 1025, 1084, 1212, 1230, 1355, 1476, 1515, 1626, 1640, 1800, 1818, 1845, 2020, 2050, 2168, 2424, 2439, 2460, 2525, 2710, 2952, 3030, 3075, 3252, 3636, 3690, 4040, 4065, 4100, 4141, 4545, 4878, 4920, 5050, 5420, 6060, 6150, 6504, 6775, 7272, 7380, 7575, 8130, 8200, 8282, 9090, 9225, 9756, 10100, 10840, 11111, 12120, 12195, 12300, 12423, 13550, 14760, 15150, 16260, 16564, 18180, 18450, 19512, 20200, 20325, 20705, 22222, 22725, 24390, 24600, 24846, 27100, 27371, 30300, 32520, 33128, 33333, 36360, 36900, 37269, 40650, 41410, 44444, 45450, 48780, 49692, 54200, 54742, 55555, 60600, 60975, 62115, 66666, 73800, 74538, 81300, 82113, 82820, 88888, 90900, 97560, 99384, 99999, 103525, 109484, 111110, 121950, 124230, 133332, 136855, 149076, 162600, 164226, 165640, 166665, 181800, 186345, 199998, 207050, 218968, 222220, 243900, 246339, 248460, 266664, 273710, 277775, 298152, 310575, 328452, 333330, 372690, 399996, 410565, 414100, 444440, 487800, 492678, 496920, 499995, 547420, 555550, 621150, 656904, 666660, 684275, 745380, 799992, 821130, 828200, 833325, 931725, 985356, 999990, 1094840, 1111100, 1122211, 1231695, 1242300, 1333320, 1368550, 1490760, 1642260, 1666650, 1863450, 1970712, 1999980, 2052825, 2222200, 2244422, 2463390, 2484600, 2499975, 2737100, 3284520, 3333300, 3366633, 3726900, 3999960, 4105650, 4488844, 4926780, 4999950, 5474200, 5611055, 6158475, 6666600, 6733266, 7453800, 8211300, 8977688, 9853560, 9999900, 10099899, 11222110, 12316950, 13466532, 16422600, 16833165, 19999800, 20199798, 22444220, 24633900, 26933064, 28055275, 33666330, 40399596, 44888440, 49267800, 50499495, 56110550, 67332660, 80799192, 84165825, 100998990, 112221100, 134665320, 168331650, 201997980, 224442200, 252497475, 336663300, 403995960, 504994950, 673326600, 1009989900, 2019979800]

約数ペア:

[(1, 2019979800), (2, 1009989900), (3, 673326600), (4, 504994950), (5, 403995960), (6, 336663300), (8, 252497475), (9, 224442200), (10, 201997980), (12, 168331650), (15, 134665320), (18, 112221100), (20, 100998990), (24, 84165825), (25, 80799192), (30, 67332660), (36, 56110550), (40, 50499495), (41, 49267800), (45, 44888440), (50, 40399596), (60, 33666330), (72, 28055275), (75, 26933064), (82, 24633900), (90, 22444220), (100, 20199798), (101, 19999800), (120, 16833165), (123, 16422600), (150, 13466532), (164, 12316950), (180, 11222110), (200, 10099899), (202, 9999900), (205, 9853560), (225, 8977688), (246, 8211300), (271, 7453800), (300, 6733266), (303, 6666600), (328, 6158475), (360, 5611055), (369, 5474200), (404, 4999950), (410, 4926780), (450, 4488844), (492, 4105650), (505, 3999960), (542, 3726900), (600, 3366633), (606, 3333300), (615, 3284520), (738, 2737100), (808, 2499975), (813, 2484600), (820, 2463390), (900, 2244422), (909, 2222200), (984, 2052825), (1010, 1999980), (1025, 1970712), (1084, 1863450), (1212, 1666650), (1230, 1642260), (1355, 1490760), (1476, 1368550), (1515, 1333320), (1626, 1242300), (1640, 1231695), (1800, 1122211), (1818, 1111100), (1845, 1094840), (2020, 999990), (2050, 985356), (2168, 931725), (2424, 833325), (2439, 828200), (2460, 821130), (2525, 799992), (2710, 745380), (2952, 684275), (3030, 666660), (3075, 656904), (3252, 621150), (3636, 555550), (3690, 547420), (4040, 499995), (4065, 496920), (4100, 492678), (4141, 487800), (4545, 444440), (4878, 414100), (4920, 410565), (5050, 399996), (5420, 372690), (6060, 333330), (6150, 328452), (6504, 310575), (6775, 298152), (7272, 277775), (7380, 273710), (7575, 266664), (8130, 248460), (8200, 246339), (8282, 243900), (9090, 222220), (9225, 218968), (9756, 207050), (10100, 199998), (10840, 186345), (11111, 181800), (12120, 166665), (12195, 165640), (12300, 164226), (12423, 162600), (13550, 149076), (14760, 136855), (15150, 133332), (16260, 124230), (16564, 121950), (18180, 111110), (18450, 109484), (19512, 103525), (20200, 99999), (20325, 99384), (20705, 97560), (22222, 90900), (22725, 88888), (24390, 82820), (24600, 82113), (24846, 81300), (27100, 74538), (27371, 73800), (30300, 66666), (32520, 62115), (33128, 60975), (33333, 60600), (36360, 55555), (36900, 54742), (37269, 54200), (40650, 49692), (41410, 48780), (44444, 45450)]