1985215260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{19777}}^1$

素因数の和:20035

約数の個数: 96

約数和(自身を含む): 6379591680

約数和(自身を除く): 4394376420

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 239, 420, 478, 717, 956, 1195, 1434, 1673, 2390, 2868, 3346, 3585, 4780, 5019, 6692, 7170, 8365, 10038, 14340, 16730, 19777, 20076, 25095, 33460, 39554, 50190, 59331, 79108, 98885, 100380, 118662, 138439, 197770, 237324, 276878, 296655, 395540, 415317, 553756, 593310, 692195, 830634, 1186620, 1384390, 1661268, 2076585, 2768780, 4153170, 4726703, 8306340, 9453406, 14180109, 18906812, 23633515, 28360218, 33086921, 47267030, 56720436, 66173842, 70900545, 94534060, 99260763, 132347684, 141801090, 165434605, 198521526, 283602180, 330869210, 397043052, 496303815, 661738420, 992607630, 1985215260]

約数ペア:

[(1, 1985215260), (2, 992607630), (3, 661738420), (4, 496303815), (5, 397043052), (6, 330869210), (7, 283602180), (10, 198521526), (12, 165434605), (14, 141801090), (15, 132347684), (20, 99260763), (21, 94534060), (28, 70900545), (30, 66173842), (35, 56720436), (42, 47267030), (60, 33086921), (70, 28360218), (84, 23633515), (105, 18906812), (140, 14180109), (210, 9453406), (239, 8306340), (420, 4726703), (478, 4153170), (717, 2768780), (956, 2076585), (1195, 1661268), (1434, 1384390), (1673, 1186620), (2390, 830634), (2868, 692195), (3346, 593310), (3585, 553756), (4780, 415317), (5019, 395540), (6692, 296655), (7170, 276878), (8365, 237324), (10038, 197770), (14340, 138439), (16730, 118662), (19777, 100380), (20076, 98885), (25095, 79108), (33460, 59331), (39554, 50190)]