488606980

素因数分解:

$2^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{70001}}^1$

素因数の和:70359

約数の個数: 24

約数和(自身を含む): 1029029400

約数和(自身を除く): 540422420

約数列:

[1, 2, 4, 5, 10, 20, 349, 698, 1396, 1745, 3490, 6980, 70001, 140002, 280004, 350005, 700010, 1400020, 24430349, 48860698, 97721396, 122151745, 244303490, 488606980]

約数ペア:

[(1, 488606980), (2, 244303490), (4, 122151745), (5, 97721396), (10, 48860698), (20, 24430349), (349, 1400020), (698, 700010), (1396, 350005), (1745, 280004), (3490, 140002), (6980, 70001)]