4965940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{449}}^1$

素因数の和:544

約数の個数: 48

約数和(自身を含む): 12096000

約数和(自身を除く): 7130060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 449, 553, 790, 898, 1106, 1580, 1796, 2212, 2245, 2765, 3143, 4490, 5530, 6286, 8980, 11060, 12572, 15715, 31430, 35471, 62860, 70942, 141884, 177355, 248297, 354710, 496594, 709420, 993188, 1241485, 2482970, 4965940]

約数ペア:

[(1, 4965940), (2, 2482970), (4, 1241485), (5, 993188), (7, 709420), (10, 496594), (14, 354710), (20, 248297), (28, 177355), (35, 141884), (70, 70942), (79, 62860), (140, 35471), (158, 31430), (316, 15715), (395, 12572), (449, 11060), (553, 8980), (790, 6286), (898, 5530), (1106, 4490), (1580, 3143), (1796, 2765), (2212, 2245)]