285429140

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{90901}}^1$

素因数の和:91067

約数の個数: 24

約数和(自身を含む): 603225672

約数和(自身を除く): 317796532

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 90901, 181802, 363604, 454505, 909010, 1818020, 14271457, 28542914, 57085828, 71357285, 142714570, 285429140]

約数ペア:

[(1, 285429140), (2, 142714570), (4, 71357285), (5, 57085828), (10, 28542914), (20, 14271457), (157, 1818020), (314, 909010), (628, 454505), (785, 363604), (1570, 181802), (3140, 90901)]