202130420

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{67829}}^1$

素因数の和:67987

約数の個数: 24

約数和(自身を含む): 427329000

約数和(自身を除く): 225198580

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 67829, 135658, 271316, 339145, 678290, 1356580, 10106521, 20213042, 40426084, 50532605, 101065210, 202130420]

約数ペア:

[(1, 202130420), (2, 101065210), (4, 50532605), (5, 40426084), (10, 20213042), (20, 10106521), (149, 1356580), (298, 678290), (596, 339145), (745, 271316), (1490, 135658), (2980, 67829)]