1628528020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1831}}^1\times {\mathrm{6353}}^1$

素因数の和:8200

約数の個数: 48

約数和(自身を含む): 3911217408

約数和(自身を除く): 2282689388

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1831, 3662, 6353, 7324, 9155, 12706, 12817, 18310, 25412, 25634, 31765, 36620, 44471, 51268, 63530, 64085, 88942, 127060, 128170, 177884, 222355, 256340, 444710, 889420, 11632343, 23264686, 46529372, 58161715, 81426401, 116323430, 162852802, 232646860, 325705604, 407132005, 814264010, 1628528020]

約数ペア:

[(1, 1628528020), (2, 814264010), (4, 407132005), (5, 325705604), (7, 232646860), (10, 162852802), (14, 116323430), (20, 81426401), (28, 58161715), (35, 46529372), (70, 23264686), (140, 11632343), (1831, 889420), (3662, 444710), (6353, 256340), (7324, 222355), (9155, 177884), (12706, 128170), (12817, 127060), (18310, 88942), (25412, 64085), (25634, 63530), (31765, 51268), (36620, 44471)]