670678090

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{521}}^1\times {\mathrm{1181}}^1$

素因数の和:1818

約数の個数: 32

約数和(自身を含む): 1221667920

約数和(自身を除く): 550989830

約数列:

[1, 2, 5, 10, 109, 218, 521, 545, 1042, 1090, 1181, 2362, 2605, 5210, 5905, 11810, 56789, 113578, 128729, 257458, 283945, 567890, 615301, 643645, 1230602, 1287290, 3076505, 6153010, 67067809, 134135618, 335339045, 670678090]

約数ペア:

[(1, 670678090), (2, 335339045), (5, 134135618), (10, 67067809), (109, 6153010), (218, 3076505), (521, 1287290), (545, 1230602), (1042, 643645), (1090, 615301), (1181, 567890), (2362, 283945), (2605, 257458), (5210, 128729), (5905, 113578), (11810, 56789)]