2018103980

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{17497}}^1$

素因数の和:17658

約数の個数: 48

約数和(自身を含む): 4350702720

約数和(自身を除く): 2332598740

約数列:

[1, 2, 4, 5, 10, 20, 73, 79, 146, 158, 292, 316, 365, 395, 730, 790, 1460, 1580, 5767, 11534, 17497, 23068, 28835, 34994, 57670, 69988, 87485, 115340, 174970, 349940, 1277281, 1382263, 2554562, 2764526, 5109124, 5529052, 6386405, 6911315, 12772810, 13822630, 25545620, 27645260, 100905199, 201810398, 403620796, 504525995, 1009051990, 2018103980]

約数ペア:

[(1, 2018103980), (2, 1009051990), (4, 504525995), (5, 403620796), (10, 201810398), (20, 100905199), (73, 27645260), (79, 25545620), (146, 13822630), (158, 12772810), (292, 6911315), (316, 6386405), (365, 5529052), (395, 5109124), (730, 2764526), (790, 2554562), (1460, 1382263), (1580, 1277281), (5767, 349940), (11534, 174970), (17497, 115340), (23068, 87485), (28835, 69988), (34994, 57670)]