208816000

素因数分解:

$2^7\times 5^3\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:481

約数の個数: 128

約数和(自身を含む): 537189120

約数和(自身を除く): 328373120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 125, 128, 155, 160, 200, 248, 250, 310, 320, 400, 421, 496, 500, 620, 640, 775, 800, 842, 992, 1000, 1240, 1550, 1600, 1684, 1984, 2000, 2105, 2480, 3100, 3200, 3368, 3875, 3968, 4000, 4210, 4960, 6200, 6736, 7750, 8000, 8420, 9920, 10525, 12400, 13051, 13472, 15500, 16000, 16840, 19840, 21050, 24800, 26102, 26944, 31000, 33680, 42100, 49600, 52204, 52625, 53888, 62000, 65255, 67360, 84200, 99200, 104408, 105250, 124000, 130510, 134720, 168400, 208816, 210500, 248000, 261020, 269440, 326275, 336800, 417632, 421000, 496000, 522040, 652550, 673600, 835264, 842000, 1044080, 1305100, 1347200, 1631375, 1670528, 1684000, 2088160, 2610200, 3262750, 3368000, 4176320, 5220400, 6525500, 6736000, 8352640, 10440800, 13051000, 20881600, 26102000, 41763200, 52204000, 104408000, 208816000]

約数ペア:

[(1, 208816000), (2, 104408000), (4, 52204000), (5, 41763200), (8, 26102000), (10, 20881600), (16, 13051000), (20, 10440800), (25, 8352640), (31, 6736000), (32, 6525500), (40, 5220400), (50, 4176320), (62, 3368000), (64, 3262750), (80, 2610200), (100, 2088160), (124, 1684000), (125, 1670528), (128, 1631375), (155, 1347200), (160, 1305100), (200, 1044080), (248, 842000), (250, 835264), (310, 673600), (320, 652550), (400, 522040), (421, 496000), (496, 421000), (500, 417632), (620, 336800), (640, 326275), (775, 269440), (800, 261020), (842, 248000), (992, 210500), (1000, 208816), (1240, 168400), (1550, 134720), (1600, 130510), (1684, 124000), (1984, 105250), (2000, 104408), (2105, 99200), (2480, 84200), (3100, 67360), (3200, 65255), (3368, 62000), (3875, 53888), (3968, 52625), (4000, 52204), (4210, 49600), (4960, 42100), (6200, 33680), (6736, 31000), (7750, 26944), (8000, 26102), (8420, 24800), (9920, 21050), (10525, 19840), (12400, 16840), (13051, 16000), (13472, 15500)]