281591680

素因数分解:

$2^7\times 5^1\times {\mathrm{71}}^1\times {\mathrm{6197}}^1$

素因数の和:6287

約数の個数: 64

約数和(自身を含む): 682771680

約数和(自身を除く): 401180000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 284, 320, 355, 568, 640, 710, 1136, 1420, 2272, 2840, 4544, 5680, 6197, 9088, 11360, 12394, 22720, 24788, 30985, 45440, 49576, 61970, 99152, 123940, 198304, 247880, 396608, 439987, 495760, 793216, 879974, 991520, 1759948, 1983040, 2199935, 3519896, 3966080, 4399870, 7039792, 8799740, 14079584, 17599480, 28159168, 35198960, 56318336, 70397920, 140795840, 281591680]

約数ペア:

[(1, 281591680), (2, 140795840), (4, 70397920), (5, 56318336), (8, 35198960), (10, 28159168), (16, 17599480), (20, 14079584), (32, 8799740), (40, 7039792), (64, 4399870), (71, 3966080), (80, 3519896), (128, 2199935), (142, 1983040), (160, 1759948), (284, 991520), (320, 879974), (355, 793216), (568, 495760), (640, 439987), (710, 396608), (1136, 247880), (1420, 198304), (2272, 123940), (2840, 99152), (4544, 61970), (5680, 49576), (6197, 45440), (9088, 30985), (11360, 24788), (12394, 22720)]