217307620

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{3019}}^1$

素因数の和:3148

約数の個数: 48

約数和(自身を含む): 471844800

約数和(自身を除く): 254537180

約数列:

[1, 2, 4, 5, 10, 20, 59, 61, 118, 122, 236, 244, 295, 305, 590, 610, 1180, 1220, 3019, 3599, 6038, 7198, 12076, 14396, 15095, 17995, 30190, 35990, 60380, 71980, 178121, 184159, 356242, 368318, 712484, 736636, 890605, 920795, 1781210, 1841590, 3562420, 3683180, 10865381, 21730762, 43461524, 54326905, 108653810, 217307620]

約数ペア:

[(1, 217307620), (2, 108653810), (4, 54326905), (5, 43461524), (10, 21730762), (20, 10865381), (59, 3683180), (61, 3562420), (118, 1841590), (122, 1781210), (236, 920795), (244, 890605), (295, 736636), (305, 712484), (590, 368318), (610, 356242), (1180, 184159), (1220, 178121), (3019, 71980), (3599, 60380), (6038, 35990), (7198, 30190), (12076, 17995), (14396, 15095)]