28421400

素因数分解:

$2^3\times 3^1\times 5^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:194

約数の個数: 192

約数和(自身を含む): 103207680

約数和(自身を除く): 74786280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 50, 56, 60, 67, 70, 75, 84, 100, 101, 105, 120, 134, 140, 150, 168, 175, 200, 201, 202, 210, 268, 280, 300, 303, 335, 350, 402, 404, 420, 469, 505, 525, 536, 600, 606, 670, 700, 707, 804, 808, 840, 938, 1005, 1010, 1050, 1212, 1340, 1400, 1407, 1414, 1515, 1608, 1675, 1876, 2010, 2020, 2100, 2121, 2345, 2424, 2525, 2680, 2814, 2828, 3030, 3350, 3535, 3752, 4020, 4040, 4200, 4242, 4690, 5025, 5050, 5628, 5656, 6060, 6700, 6767, 7035, 7070, 7575, 8040, 8484, 9380, 10050, 10100, 10605, 11256, 11725, 12120, 13400, 13534, 14070, 14140, 15150, 16968, 17675, 18760, 20100, 20200, 20301, 21210, 23450, 27068, 28140, 28280, 30300, 33835, 35175, 35350, 40200, 40602, 42420, 46900, 47369, 53025, 54136, 56280, 60600, 67670, 70350, 70700, 81204, 84840, 93800, 94738, 101505, 106050, 135340, 140700, 141400, 142107, 162408, 169175, 189476, 203010, 212100, 236845, 270680, 281400, 284214, 338350, 378952, 406020, 424200, 473690, 507525, 568428, 676700, 710535, 812040, 947380, 1015050, 1136856, 1184225, 1353400, 1421070, 1894760, 2030100, 2368450, 2842140, 3552675, 4060200, 4736900, 5684280, 7105350, 9473800, 14210700, 28421400]

約数ペア:

[(1, 28421400), (2, 14210700), (3, 9473800), (4, 7105350), (5, 5684280), (6, 4736900), (7, 4060200), (8, 3552675), (10, 2842140), (12, 2368450), (14, 2030100), (15, 1894760), (20, 1421070), (21, 1353400), (24, 1184225), (25, 1136856), (28, 1015050), (30, 947380), (35, 812040), (40, 710535), (42, 676700), (50, 568428), (56, 507525), (60, 473690), (67, 424200), (70, 406020), (75, 378952), (84, 338350), (100, 284214), (101, 281400), (105, 270680), (120, 236845), (134, 212100), (140, 203010), (150, 189476), (168, 169175), (175, 162408), (200, 142107), (201, 141400), (202, 140700), (210, 135340), (268, 106050), (280, 101505), (300, 94738), (303, 93800), (335, 84840), (350, 81204), (402, 70700), (404, 70350), (420, 67670), (469, 60600), (505, 56280), (525, 54136), (536, 53025), (600, 47369), (606, 46900), (670, 42420), (700, 40602), (707, 40200), (804, 35350), (808, 35175), (840, 33835), (938, 30300), (1005, 28280), (1010, 28140), (1050, 27068), (1212, 23450), (1340, 21210), (1400, 20301), (1407, 20200), (1414, 20100), (1515, 18760), (1608, 17675), (1675, 16968), (1876, 15150), (2010, 14140), (2020, 14070), (2100, 13534), (2121, 13400), (2345, 12120), (2424, 11725), (2525, 11256), (2680, 10605), (2814, 10100), (2828, 10050), (3030, 9380), (3350, 8484), (3535, 8040), (3752, 7575), (4020, 7070), (4040, 7035), (4200, 6767), (4242, 6700), (4690, 6060), (5025, 5656), (5050, 5628)]