906347980

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{241}}^1\times {\mathrm{4373}}^1$

素因数の和:4666

約数の個数: 48

約数和(自身を含む): 1956122784

約数和(自身を除く): 1049774804

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 241, 430, 482, 860, 964, 1205, 2410, 4373, 4820, 8746, 10363, 17492, 20726, 21865, 41452, 43730, 51815, 87460, 103630, 188039, 207260, 376078, 752156, 940195, 1053893, 1880390, 2107786, 3760780, 4215572, 5269465, 10538930, 21077860, 45317399, 90634798, 181269596, 226586995, 453173990, 906347980]

約数ペア:

[(1, 906347980), (2, 453173990), (4, 226586995), (5, 181269596), (10, 90634798), (20, 45317399), (43, 21077860), (86, 10538930), (172, 5269465), (215, 4215572), (241, 3760780), (430, 2107786), (482, 1880390), (860, 1053893), (964, 940195), (1205, 752156), (2410, 376078), (4373, 207260), (4820, 188039), (8746, 103630), (10363, 87460), (17492, 51815), (20726, 43730), (21865, 41452)]