156729890

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1\times {\mathrm{769}}^1$

素因数の和:1094

約数の個数: 32

約数和(自身を含む): 286902000

約数和(自身を除く): 130172110

約数列:

[1, 2, 5, 10, 89, 178, 229, 445, 458, 769, 890, 1145, 1538, 2290, 3845, 7690, 20381, 40762, 68441, 101905, 136882, 176101, 203810, 342205, 352202, 684410, 880505, 1761010, 15672989, 31345978, 78364945, 156729890]

約数ペア:

[(1, 156729890), (2, 78364945), (5, 31345978), (10, 15672989), (89, 1761010), (178, 880505), (229, 684410), (445, 352202), (458, 342205), (769, 203810), (890, 176101), (1145, 136882), (1538, 101905), (2290, 68441), (3845, 40762), (7690, 20381)]