309611980

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1\times {\mathrm{1301}}^1$

素因数の和:1546

約数の個数: 48

約数和(自身を含む): 663645024

約数和(自身を除く): 354033044

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 163, 292, 326, 365, 652, 730, 815, 1301, 1460, 1630, 2602, 3260, 5204, 6505, 11899, 13010, 23798, 26020, 47596, 59495, 94973, 118990, 189946, 212063, 237980, 379892, 424126, 474865, 848252, 949730, 1060315, 1899460, 2120630, 4241260, 15480599, 30961198, 61922396, 77402995, 154805990, 309611980]

約数ペア:

[(1, 309611980), (2, 154805990), (4, 77402995), (5, 61922396), (10, 30961198), (20, 15480599), (73, 4241260), (146, 2120630), (163, 1899460), (292, 1060315), (326, 949730), (365, 848252), (652, 474865), (730, 424126), (815, 379892), (1301, 237980), (1460, 212063), (1630, 189946), (2602, 118990), (3260, 94973), (5204, 59495), (6505, 47596), (11899, 26020), (13010, 23798)]