198778870

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1\times {\mathrm{1423}}^1$

素因数の和:1720

約数の個数: 32

約数和(自身を含む): 365512320

約数和(自身を除く): 166733450

約数列:

[1, 2, 5, 10, 61, 122, 229, 305, 458, 610, 1145, 1423, 2290, 2846, 7115, 13969, 14230, 27938, 69845, 86803, 139690, 173606, 325867, 434015, 651734, 868030, 1629335, 3258670, 19877887, 39755774, 99389435, 198778870]

約数ペア:

[(1, 198778870), (2, 99389435), (5, 39755774), (10, 19877887), (61, 3258670), (122, 1629335), (229, 868030), (305, 651734), (458, 434015), (610, 325867), (1145, 173606), (1423, 139690), (2290, 86803), (2846, 69845), (7115, 27938), (13969, 14230)]