201239660

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{45121}}^1$

素因数の和:45353

約数の個数: 24

約数和(自身を含む): 424507776

約数和(自身を除く): 223268116

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 4460, 45121, 90242, 180484, 225605, 451210, 902420, 10061983, 20123966, 40247932, 50309915, 100619830, 201239660]

約数ペア:

[(1, 201239660), (2, 100619830), (4, 50309915), (5, 40247932), (10, 20123966), (20, 10061983), (223, 902420), (446, 451210), (892, 225605), (1115, 180484), (2230, 90242), (4460, 45121)]