1255291220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{69661}}^1$

素因数の和:69740

約数の個数: 48

約数和(自身を含む): 2843881488

約数和(自身を除く): 1588590268

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 53, 68, 85, 106, 170, 212, 265, 340, 530, 901, 1060, 1802, 3604, 4505, 9010, 18020, 69661, 139322, 278644, 348305, 696610, 1184237, 1393220, 2368474, 3692033, 4736948, 5921185, 7384066, 11842370, 14768132, 18460165, 23684740, 36920330, 62764561, 73840660, 125529122, 251058244, 313822805, 627645610, 1255291220]

約数ペア:

[(1, 1255291220), (2, 627645610), (4, 313822805), (5, 251058244), (10, 125529122), (17, 73840660), (20, 62764561), (34, 36920330), (53, 23684740), (68, 18460165), (85, 14768132), (106, 11842370), (170, 7384066), (212, 5921185), (265, 4736948), (340, 3692033), (530, 2368474), (901, 1393220), (1060, 1184237), (1802, 696610), (3604, 348305), (4505, 278644), (9010, 139322), (18020, 69661)]