121738180

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{163}}^1\times {\mathrm{349}}^1$

素因数の和:628

約数の個数: 48

約数和(自身を含む): 260366400

約数和(自身を除く): 138628220

約数列:

[1, 2, 4, 5, 10, 20, 107, 163, 214, 326, 349, 428, 535, 652, 698, 815, 1070, 1396, 1630, 1745, 2140, 3260, 3490, 6980, 17441, 34882, 37343, 56887, 69764, 74686, 87205, 113774, 149372, 174410, 186715, 227548, 284435, 348820, 373430, 568870, 746860, 1137740, 6086909, 12173818, 24347636, 30434545, 60869090, 121738180]

約数ペア:

[(1, 121738180), (2, 60869090), (4, 30434545), (5, 24347636), (10, 12173818), (20, 6086909), (107, 1137740), (163, 746860), (214, 568870), (326, 373430), (349, 348820), (428, 284435), (535, 227548), (652, 186715), (698, 174410), (815, 149372), (1070, 113774), (1396, 87205), (1630, 74686), (1745, 69764), (2140, 56887), (3260, 37343), (3490, 34882), (6980, 17441)]