168741580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{4259}}^1$

素因数の和:4558

約数の個数: 48

約数和(自身を含む): 406506240

約数和(自身を除く): 237764660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 283, 566, 1132, 1415, 1981, 2830, 3962, 4259, 5660, 7924, 8518, 9905, 17036, 19810, 21295, 29813, 39620, 42590, 59626, 85180, 119252, 149065, 298130, 596260, 1205297, 2410594, 4821188, 6026485, 8437079, 12052970, 16874158, 24105940, 33748316, 42185395, 84370790, 168741580]

約数ペア:

[(1, 168741580), (2, 84370790), (4, 42185395), (5, 33748316), (7, 24105940), (10, 16874158), (14, 12052970), (20, 8437079), (28, 6026485), (35, 4821188), (70, 2410594), (140, 1205297), (283, 596260), (566, 298130), (1132, 149065), (1415, 119252), (1981, 85180), (2830, 59626), (3962, 42590), (4259, 39620), (5660, 29813), (7924, 21295), (8518, 19810), (9905, 17036)]