908115980

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{383}}^1\times {\mathrm{1151}}^1$

素因数の和:1646

約数の個数: 48

約数和(自身を含む): 1932263424

約数和(自身を除く): 1024147444

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 383, 412, 515, 766, 1030, 1151, 1532, 1915, 2060, 2302, 3830, 4604, 5755, 7660, 11510, 23020, 39449, 78898, 118553, 157796, 197245, 237106, 394490, 440833, 474212, 592765, 788980, 881666, 1185530, 1763332, 2204165, 2371060, 4408330, 8816660, 45405799, 90811598, 181623196, 227028995, 454057990, 908115980]

約数ペア:

[(1, 908115980), (2, 454057990), (4, 227028995), (5, 181623196), (10, 90811598), (20, 45405799), (103, 8816660), (206, 4408330), (383, 2371060), (412, 2204165), (515, 1763332), (766, 1185530), (1030, 881666), (1151, 788980), (1532, 592765), (1915, 474212), (2060, 440833), (2302, 394490), (3830, 237106), (4604, 197245), (5755, 157796), (7660, 118553), (11510, 78898), (23020, 39449)]