15949314620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{172649}}^1$

素因数の和:172838

約数の個数: 48

約数和(自身を含む): 34806240000

約数和(自身を除く): 18856925380

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 149, 155, 298, 310, 596, 620, 745, 1490, 2980, 4619, 9238, 18476, 23095, 46190, 92380, 172649, 345298, 690596, 863245, 1726490, 3452980, 5352119, 10704238, 21408476, 25724701, 26760595, 51449402, 53521190, 102898804, 107042380, 128623505, 257247010, 514494020, 797465731, 1594931462, 3189862924, 3987328655, 7974657310, 15949314620]

約数ペア:

[(1, 15949314620), (2, 7974657310), (4, 3987328655), (5, 3189862924), (10, 1594931462), (20, 797465731), (31, 514494020), (62, 257247010), (124, 128623505), (149, 107042380), (155, 102898804), (298, 53521190), (310, 51449402), (596, 26760595), (620, 25724701), (745, 21408476), (1490, 10704238), (2980, 5352119), (4619, 3452980), (9238, 1726490), (18476, 863245), (23095, 690596), (46190, 345298), (92380, 172649)]