72802180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{11411}}^1$

素因数の和:11460

約数の個数: 48

約数和(自身を含む): 172549440

約数和(自身を除く): 99747260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 220, 290, 319, 580, 638, 1276, 1595, 3190, 6380, 11411, 22822, 45644, 57055, 114110, 125521, 228220, 251042, 330919, 502084, 627605, 661838, 1255210, 1323676, 1654595, 2510420, 3309190, 3640109, 6618380, 7280218, 14560436, 18200545, 36401090, 72802180]

約数ペア:

[(1, 72802180), (2, 36401090), (4, 18200545), (5, 14560436), (10, 7280218), (11, 6618380), (20, 3640109), (22, 3309190), (29, 2510420), (44, 1654595), (55, 1323676), (58, 1255210), (110, 661838), (116, 627605), (145, 502084), (220, 330919), (290, 251042), (319, 228220), (580, 125521), (638, 114110), (1276, 57055), (1595, 45644), (3190, 22822), (6380, 11411)]