30505060

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{449}}^1$

素因数の和:580

約数の個数: 48

約数和(自身を含む): 66528000

約数和(自身を除く): 36022940

約数列:

[1, 2, 4, 5, 10, 20, 43, 79, 86, 158, 172, 215, 316, 395, 430, 449, 790, 860, 898, 1580, 1796, 2245, 3397, 4490, 6794, 8980, 13588, 16985, 19307, 33970, 35471, 38614, 67940, 70942, 77228, 96535, 141884, 177355, 193070, 354710, 386140, 709420, 1525253, 3050506, 6101012, 7626265, 15252530, 30505060]

約数ペア:

[(1, 30505060), (2, 15252530), (4, 7626265), (5, 6101012), (10, 3050506), (20, 1525253), (43, 709420), (79, 386140), (86, 354710), (158, 193070), (172, 177355), (215, 141884), (316, 96535), (395, 77228), (430, 70942), (449, 67940), (790, 38614), (860, 35471), (898, 33970), (1580, 19307), (1796, 16985), (2245, 13588), (3397, 8980), (4490, 6794)]