2231380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:160

約数の個数: 48

約数和(自身を含む): 4999680

約数和(自身を除く): 2768300

約数列:

[1, 2, 4, 5, 10, 20, 31, 59, 61, 62, 118, 122, 124, 155, 236, 244, 295, 305, 310, 590, 610, 620, 1180, 1220, 1829, 1891, 3599, 3658, 3782, 7198, 7316, 7564, 9145, 9455, 14396, 17995, 18290, 18910, 35990, 36580, 37820, 71980, 111569, 223138, 446276, 557845, 1115690, 2231380]

約数ペア:

[(1, 2231380), (2, 1115690), (4, 557845), (5, 446276), (10, 223138), (20, 111569), (31, 71980), (59, 37820), (61, 36580), (62, 35990), (118, 18910), (122, 18290), (124, 17995), (155, 14396), (236, 9455), (244, 9145), (295, 7564), (305, 7316), (310, 7198), (590, 3782), (610, 3658), (620, 3599), (1180, 1891), (1220, 1829)]