28786800

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:200

約数の個数: 240

約数和(自身を含む): 110707200

約数和(自身を除く): 81920400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 25, 28, 30, 35, 40, 42, 46, 48, 50, 56, 60, 69, 70, 75, 80, 84, 92, 100, 105, 112, 115, 120, 138, 140, 149, 150, 161, 168, 175, 184, 200, 210, 230, 240, 276, 280, 298, 300, 322, 336, 345, 350, 368, 400, 420, 447, 460, 483, 525, 552, 560, 575, 596, 600, 644, 690, 700, 745, 805, 840, 894, 920, 966, 1043, 1050, 1104, 1150, 1192, 1200, 1288, 1380, 1400, 1490, 1610, 1680, 1725, 1788, 1840, 1932, 2086, 2100, 2235, 2300, 2384, 2415, 2576, 2760, 2800, 2980, 3129, 3220, 3427, 3450, 3576, 3725, 3864, 4025, 4172, 4200, 4470, 4600, 4830, 5215, 5520, 5960, 6258, 6440, 6854, 6900, 7152, 7450, 7728, 8050, 8344, 8400, 8940, 9200, 9660, 10281, 10430, 11175, 11920, 12075, 12516, 12880, 13708, 13800, 14900, 15645, 16100, 16688, 17135, 17880, 19320, 20562, 20860, 22350, 23989, 24150, 25032, 26075, 27416, 27600, 29800, 31290, 32200, 34270, 35760, 38640, 41124, 41720, 44700, 47978, 48300, 50064, 51405, 52150, 54832, 59600, 62580, 64400, 68540, 71967, 78225, 82248, 83440, 85675, 89400, 95956, 96600, 102810, 104300, 119945, 125160, 137080, 143934, 156450, 164496, 171350, 178800, 191912, 193200, 205620, 208600, 239890, 250320, 257025, 274160, 287868, 312900, 342700, 359835, 383824, 411240, 417200, 479780, 514050, 575736, 599725, 625800, 685400, 719670, 822480, 959560, 1028100, 1151472, 1199450, 1251600, 1370800, 1439340, 1799175, 1919120, 2056200, 2398900, 2878680, 3598350, 4112400, 4797800, 5757360, 7196700, 9595600, 14393400, 28786800]

約数ペア:

[(1, 28786800), (2, 14393400), (3, 9595600), (4, 7196700), (5, 5757360), (6, 4797800), (7, 4112400), (8, 3598350), (10, 2878680), (12, 2398900), (14, 2056200), (15, 1919120), (16, 1799175), (20, 1439340), (21, 1370800), (23, 1251600), (24, 1199450), (25, 1151472), (28, 1028100), (30, 959560), (35, 822480), (40, 719670), (42, 685400), (46, 625800), (48, 599725), (50, 575736), (56, 514050), (60, 479780), (69, 417200), (70, 411240), (75, 383824), (80, 359835), (84, 342700), (92, 312900), (100, 287868), (105, 274160), (112, 257025), (115, 250320), (120, 239890), (138, 208600), (140, 205620), (149, 193200), (150, 191912), (161, 178800), (168, 171350), (175, 164496), (184, 156450), (200, 143934), (210, 137080), (230, 125160), (240, 119945), (276, 104300), (280, 102810), (298, 96600), (300, 95956), (322, 89400), (336, 85675), (345, 83440), (350, 82248), (368, 78225), (400, 71967), (420, 68540), (447, 64400), (460, 62580), (483, 59600), (525, 54832), (552, 52150), (560, 51405), (575, 50064), (596, 48300), (600, 47978), (644, 44700), (690, 41720), (700, 41124), (745, 38640), (805, 35760), (840, 34270), (894, 32200), (920, 31290), (966, 29800), (1043, 27600), (1050, 27416), (1104, 26075), (1150, 25032), (1192, 24150), (1200, 23989), (1288, 22350), (1380, 20860), (1400, 20562), (1490, 19320), (1610, 17880), (1680, 17135), (1725, 16688), (1788, 16100), (1840, 15645), (1932, 14900), (2086, 13800), (2100, 13708), (2235, 12880), (2300, 12516), (2384, 12075), (2415, 11920), (2576, 11175), (2760, 10430), (2800, 10281), (2980, 9660), (3129, 9200), (3220, 8940), (3427, 8400), (3450, 8344), (3576, 8050), (3725, 7728), (3864, 7450), (4025, 7152), (4172, 6900), (4200, 6854), (4470, 6440), (4600, 6258), (4830, 5960), (5215, 5520)]