201494420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{324991}}^1$

素因数の和:325031

約数の個数: 24

約数和(自身を含む): 436789248

約数和(自身を除く): 235294828

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 324991, 649982, 1299964, 1624955, 3249910, 6499820, 10074721, 20149442, 40298884, 50373605, 100747210, 201494420]

約数ペア:

[(1, 201494420), (2, 100747210), (4, 50373605), (5, 40298884), (10, 20149442), (20, 10074721), (31, 6499820), (62, 3249910), (124, 1624955), (155, 1299964), (310, 649982), (620, 324991)]