78774740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{1697}}^1$

素因数の和:1928

約数の個数: 48

約数和(自身を含む): 181427904

約数和(自身を除く): 102653164

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 211, 220, 422, 844, 1055, 1697, 2110, 2321, 3394, 4220, 4642, 6788, 8485, 9284, 11605, 16970, 18667, 23210, 33940, 37334, 46420, 74668, 93335, 186670, 358067, 373340, 716134, 1432268, 1790335, 3580670, 3938737, 7161340, 7877474, 15754948, 19693685, 39387370, 78774740]

約数ペア:

[(1, 78774740), (2, 39387370), (4, 19693685), (5, 15754948), (10, 7877474), (11, 7161340), (20, 3938737), (22, 3580670), (44, 1790335), (55, 1432268), (110, 716134), (211, 373340), (220, 358067), (422, 186670), (844, 93335), (1055, 74668), (1697, 46420), (2110, 37334), (2321, 33940), (3394, 23210), (4220, 18667), (4642, 16970), (6788, 11605), (8485, 9284)]