2158220

素因数分解:

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

素因数の和:158

約数の個数: 36

約数和(自身を含む): 4759104

約数和(自身を除く): 2600884

約数列:

[1, 2, 4, 5, 10, 20, 31, 59, 62, 118, 124, 155, 236, 295, 310, 590, 620, 1180, 1829, 3481, 3658, 6962, 7316, 9145, 13924, 17405, 18290, 34810, 36580, 69620, 107911, 215822, 431644, 539555, 1079110, 2158220]

約数ペア:

[(1, 2158220), (2, 1079110), (4, 539555), (5, 431644), (10, 215822), (20, 107911), (31, 69620), (59, 36580), (62, 34810), (118, 18290), (124, 17405), (155, 13924), (236, 9145), (295, 7316), (310, 6962), (590, 3658), (620, 3481), (1180, 1829)]