258495580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{191}}^1\times {\mathrm{1381}}^1$

素因数の和:1595

約数の個数: 72

約数和(自身を含む): 635233536

約数和(自身を除く): 376737956

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 191, 196, 245, 382, 490, 764, 955, 980, 1337, 1381, 1910, 2674, 2762, 3820, 5348, 5524, 6685, 6905, 9359, 9667, 13370, 13810, 18718, 19334, 26740, 27620, 37436, 38668, 46795, 48335, 67669, 93590, 96670, 135338, 187180, 193340, 263771, 270676, 338345, 527542, 676690, 1055084, 1318855, 1353380, 1846397, 2637710, 3692794, 5275420, 7385588, 9231985, 12924779, 18463970, 25849558, 36927940, 51699116, 64623895, 129247790, 258495580]

約数ペア:

[(1, 258495580), (2, 129247790), (4, 64623895), (5, 51699116), (7, 36927940), (10, 25849558), (14, 18463970), (20, 12924779), (28, 9231985), (35, 7385588), (49, 5275420), (70, 3692794), (98, 2637710), (140, 1846397), (191, 1353380), (196, 1318855), (245, 1055084), (382, 676690), (490, 527542), (764, 338345), (955, 270676), (980, 263771), (1337, 193340), (1381, 187180), (1910, 135338), (2674, 96670), (2762, 93590), (3820, 67669), (5348, 48335), (5524, 46795), (6685, 38668), (6905, 37436), (9359, 27620), (9667, 26740), (13370, 19334), (13810, 18718)]