129341380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{191}}^1\times {\mathrm{691}}^1$

素因数の和:905

約数の個数: 72

約数和(自身を含む): 318076416

約数和(自身を除く): 188735036

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 191, 196, 245, 382, 490, 691, 764, 955, 980, 1337, 1382, 1910, 2674, 2764, 3455, 3820, 4837, 5348, 6685, 6910, 9359, 9674, 13370, 13820, 18718, 19348, 24185, 26740, 33859, 37436, 46795, 48370, 67718, 93590, 96740, 131981, 135436, 169295, 187180, 263962, 338590, 527924, 659905, 677180, 923867, 1319810, 1847734, 2639620, 3695468, 4619335, 6467069, 9238670, 12934138, 18477340, 25868276, 32335345, 64670690, 129341380]

約数ペア:

[(1, 129341380), (2, 64670690), (4, 32335345), (5, 25868276), (7, 18477340), (10, 12934138), (14, 9238670), (20, 6467069), (28, 4619335), (35, 3695468), (49, 2639620), (70, 1847734), (98, 1319810), (140, 923867), (191, 677180), (196, 659905), (245, 527924), (382, 338590), (490, 263962), (691, 187180), (764, 169295), (955, 135436), (980, 131981), (1337, 96740), (1382, 93590), (1910, 67718), (2674, 48370), (2764, 46795), (3455, 37436), (3820, 33859), (4837, 26740), (5348, 24185), (6685, 19348), (6910, 18718), (9359, 13820), (9674, 13370)]