218776570

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{499}}^1\times {\mathrm{2579}}^1$

素因数の和:3102

約数の個数: 32

約数和(自身を含む): 417960000

約数和(自身を除く): 199183430

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 499, 998, 2495, 2579, 4990, 5158, 8483, 12895, 16966, 25790, 42415, 43843, 84830, 87686, 219215, 438430, 1286921, 2573842, 6434605, 12869210, 21877657, 43755314, 109388285, 218776570]

約数ペア:

[(1, 218776570), (2, 109388285), (5, 43755314), (10, 21877657), (17, 12869210), (34, 6434605), (85, 2573842), (170, 1286921), (499, 438430), (998, 219215), (2495, 87686), (2579, 84830), (4990, 43843), (5158, 42415), (8483, 25790), (12895, 16966)]