1903840

素因数分解:

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

素因数の和:251

約数の個数: 48

約数和(自身を含む): 4587408

約数和(自身を除く): 2683568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 73, 80, 146, 160, 163, 292, 326, 365, 584, 652, 730, 815, 1168, 1304, 1460, 1630, 2336, 2608, 2920, 3260, 5216, 5840, 6520, 11680, 11899, 13040, 23798, 26080, 47596, 59495, 95192, 118990, 190384, 237980, 380768, 475960, 951920, 1903840]

約数ペア:

[(1, 1903840), (2, 951920), (4, 475960), (5, 380768), (8, 237980), (10, 190384), (16, 118990), (20, 95192), (32, 59495), (40, 47596), (73, 26080), (80, 23798), (146, 13040), (160, 11899), (163, 11680), (292, 6520), (326, 5840), (365, 5216), (584, 3260), (652, 2920), (730, 2608), (815, 2336), (1168, 1630), (1304, 1460)]