74747380

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{52639}}^1$

素因数の和:52719

約数の個数: 24

約数和(自身を含む): 159183360

約数和(自身を除く): 84435980

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 52639, 105278, 210556, 263195, 526390, 1052780, 3737369, 7474738, 14949476, 18686845, 37373690, 74747380]

約数ペア:

[(1, 74747380), (2, 37373690), (4, 18686845), (5, 14949476), (10, 7474738), (20, 3737369), (71, 1052780), (142, 526390), (284, 263195), (355, 210556), (710, 105278), (1420, 52639)]