172328740

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{210157}}^1$

素因数の和:210207

約数の個数: 24

約数和(自身を含む): 370718712

約数和(自身を除く): 198389972

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 210157, 420314, 840628, 1050785, 2101570, 4203140, 8616437, 17232874, 34465748, 43082185, 86164370, 172328740]

約数ペア:

[(1, 172328740), (2, 86164370), (4, 43082185), (5, 34465748), (10, 17232874), (20, 8616437), (41, 4203140), (82, 2101570), (164, 1050785), (205, 840628), (410, 420314), (820, 210157)]