2783705980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1427}}^1\times {\mathrm{8867}}^1$

素因数の和:10314

約数の個数: 48

約数和(自身を含む): 6382406016

約数和(自身を除く): 3598700036

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1427, 2854, 5708, 7135, 8867, 14270, 15697, 17734, 28540, 31394, 35468, 44335, 62788, 78485, 88670, 97537, 156970, 177340, 195074, 313940, 390148, 487685, 975370, 1950740, 12653209, 25306418, 50612836, 63266045, 126532090, 139185299, 253064180, 278370598, 556741196, 695926495, 1391852990, 2783705980]

約数ペア:

[(1, 2783705980), (2, 1391852990), (4, 695926495), (5, 556741196), (10, 278370598), (11, 253064180), (20, 139185299), (22, 126532090), (44, 63266045), (55, 50612836), (110, 25306418), (220, 12653209), (1427, 1950740), (2854, 975370), (5708, 487685), (7135, 390148), (8867, 313940), (14270, 195074), (15697, 177340), (17734, 156970), (28540, 97537), (31394, 88670), (35468, 78485), (44335, 62788)]