1851940

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:172

約数の個数: 48

約数和(自身を含む): 4193280

約数和(自身を除く): 2341340

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 58, 62, 103, 116, 124, 145, 155, 206, 290, 310, 412, 515, 580, 620, 899, 1030, 1798, 2060, 2987, 3193, 3596, 4495, 5974, 6386, 8990, 11948, 12772, 14935, 15965, 17980, 29870, 31930, 59740, 63860, 92597, 185194, 370388, 462985, 925970, 1851940]

約数ペア:

[(1, 1851940), (2, 925970), (4, 462985), (5, 370388), (10, 185194), (20, 92597), (29, 63860), (31, 59740), (58, 31930), (62, 29870), (103, 17980), (116, 15965), (124, 14935), (145, 12772), (155, 11948), (206, 8990), (290, 6386), (310, 5974), (412, 4495), (515, 3596), (580, 3193), (620, 2987), (899, 2060), (1030, 1798)]