78227620

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{1733}}^1$

素因数の和:1840

約数の個数: 48

約数和(自身を含む): 171582768

約数和(自身を除く): 93355148

約数列:

[1, 2, 4, 5, 10, 20, 37, 61, 74, 122, 148, 185, 244, 305, 370, 610, 740, 1220, 1733, 2257, 3466, 4514, 6932, 8665, 9028, 11285, 17330, 22570, 34660, 45140, 64121, 105713, 128242, 211426, 256484, 320605, 422852, 528565, 641210, 1057130, 1282420, 2114260, 3911381, 7822762, 15645524, 19556905, 39113810, 78227620]

約数ペア:

[(1, 78227620), (2, 39113810), (4, 19556905), (5, 15645524), (10, 7822762), (20, 3911381), (37, 2114260), (61, 1282420), (74, 1057130), (122, 641210), (148, 528565), (185, 422852), (244, 320605), (305, 256484), (370, 211426), (610, 128242), (740, 105713), (1220, 64121), (1733, 45140), (2257, 34660), (3466, 22570), (4514, 17330), (6932, 11285), (8665, 9028)]