42919940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{1091}}^1$

素因数の和:1388

約数の個数: 48

約数和(自身を含む): 103469184

約数和(自身を除く): 60549244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 281, 562, 1091, 1124, 1405, 1967, 2182, 2810, 3934, 4364, 5455, 5620, 7637, 7868, 9835, 10910, 15274, 19670, 21820, 30548, 38185, 39340, 76370, 152740, 306571, 613142, 1226284, 1532855, 2145997, 3065710, 4291994, 6131420, 8583988, 10729985, 21459970, 42919940]

約数ペア:

[(1, 42919940), (2, 21459970), (4, 10729985), (5, 8583988), (7, 6131420), (10, 4291994), (14, 3065710), (20, 2145997), (28, 1532855), (35, 1226284), (70, 613142), (140, 306571), (281, 152740), (562, 76370), (1091, 39340), (1124, 38185), (1405, 30548), (1967, 21820), (2182, 19670), (2810, 15274), (3934, 10910), (4364, 9835), (5455, 7868), (5620, 7637)]