154059140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{187877}}^1$

素因数の和:187927

約数の個数: 24

約数和(自身を含む): 331416792

約数和(自身を除く): 177357652

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 187877, 375754, 751508, 939385, 1878770, 3757540, 7702957, 15405914, 30811828, 38514785, 77029570, 154059140]

約数ペア:

[(1, 154059140), (2, 77029570), (4, 38514785), (5, 30811828), (10, 15405914), (20, 7702957), (41, 3757540), (82, 1878770), (164, 939385), (205, 751508), (410, 375754), (820, 187877)]