201905140

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{64301}}^1$

素因数の和:64467

約数の個数: 24

約数和(自身を含む): 426708072

約数和(自身を除く): 224802932

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 64301, 128602, 257204, 321505, 643010, 1286020, 10095257, 20190514, 40381028, 50476285, 100952570, 201905140]

約数ペア:

[(1, 201905140), (2, 100952570), (4, 50476285), (5, 40381028), (10, 20190514), (20, 10095257), (157, 1286020), (314, 643010), (628, 321505), (785, 257204), (1570, 128602), (3140, 64301)]