129021620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{70891}}^1$

素因数の和:70920

約数の個数: 48

約数和(自身を含む): 333475968

約数和(自身を除く): 204454348

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 70891, 141782, 283564, 354455, 496237, 708910, 921583, 992474, 1417820, 1843166, 1984948, 2481185, 3686332, 4607915, 4962370, 6451081, 9215830, 9924740, 12902162, 18431660, 25804324, 32255405, 64510810, 129021620]

約数ペア:

[(1, 129021620), (2, 64510810), (4, 32255405), (5, 25804324), (7, 18431660), (10, 12902162), (13, 9924740), (14, 9215830), (20, 6451081), (26, 4962370), (28, 4607915), (35, 3686332), (52, 2481185), (65, 1984948), (70, 1843166), (91, 1417820), (130, 992474), (140, 921583), (182, 708910), (260, 496237), (364, 354455), (455, 283564), (910, 141782), (1820, 70891)]