70221980

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{57559}}^1$

素因数の和:57629

約数の個数: 24

約数和(自身を含む): 149886240

約数和(自身を除く): 79664260

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 57559, 115118, 230236, 287795, 575590, 1151180, 3511099, 7022198, 14044396, 17555495, 35110990, 70221980]

約数ペア:

[(1, 70221980), (2, 35110990), (4, 17555495), (5, 14044396), (10, 7022198), (20, 3511099), (61, 1151180), (122, 575590), (244, 287795), (305, 230236), (610, 115118), (1220, 57559)]