172377790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{77999}}^1$

素因数の和:78036

約数の個数: 32

約数和(自身を含む): 353808000

約数和(自身を除く): 181430210

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 77999, 155998, 389995, 779990, 1013987, 1325983, 2027974, 2651966, 5069935, 6629915, 10139870, 13259830, 17237779, 34475558, 86188895, 172377790]

約数ペア:

[(1, 172377790), (2, 86188895), (5, 34475558), (10, 17237779), (13, 13259830), (17, 10139870), (26, 6629915), (34, 5069935), (65, 2651966), (85, 2027974), (130, 1325983), (170, 1013987), (221, 779990), (442, 389995), (1105, 155998), (2210, 77999)]