870840740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{80783}}^1$

素因数の和:80817

約数の個数: 72

約数和(自身を含む): 2320762752

約数和(自身を除く): 1449922012

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 5390, 10780, 80783, 161566, 323132, 403915, 565481, 807830, 888613, 1130962, 1615660, 1777226, 2261924, 2827405, 3554452, 3958367, 4443065, 5654810, 6220291, 7916734, 8886130, 11309620, 12440582, 15833468, 17772260, 19791835, 24881164, 31101455, 39583670, 43542037, 62202910, 79167340, 87084074, 124405820, 174168148, 217710185, 435420370, 870840740]

約数ペア:

[(1, 870840740), (2, 435420370), (4, 217710185), (5, 174168148), (7, 124405820), (10, 87084074), (11, 79167340), (14, 62202910), (20, 43542037), (22, 39583670), (28, 31101455), (35, 24881164), (44, 19791835), (49, 17772260), (55, 15833468), (70, 12440582), (77, 11309620), (98, 8886130), (110, 7916734), (140, 6220291), (154, 5654810), (196, 4443065), (220, 3958367), (245, 3554452), (308, 2827405), (385, 2261924), (490, 1777226), (539, 1615660), (770, 1130962), (980, 888613), (1078, 807830), (1540, 565481), (2156, 403915), (2695, 323132), (5390, 161566), (10780, 80783)]