143399140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{174877}}^1$

素因数の和:174927

約数の個数: 24

約数和(自身を含む): 308484792

約数和(自身を除く): 165085652

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 174877, 349754, 699508, 874385, 1748770, 3497540, 7169957, 14339914, 28679828, 35849785, 71699570, 143399140]

約数ペア:

[(1, 143399140), (2, 71699570), (4, 35849785), (5, 28679828), (10, 14339914), (20, 7169957), (41, 3497540), (82, 1748770), (164, 874385), (205, 699508), (410, 349754), (820, 174877)]