1118380

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{281}}^1$

素因数の和:489

約数の個数: 24

約数和(自身を含む): 2368800

約数和(自身を除く): 1250420

約数列:

[1, 2, 4, 5, 10, 20, 199, 281, 398, 562, 796, 995, 1124, 1405, 1990, 2810, 3980, 5620, 55919, 111838, 223676, 279595, 559190, 1118380]

約数ペア:

[(1, 1118380), (2, 559190), (4, 279595), (5, 223676), (10, 111838), (20, 55919), (199, 5620), (281, 3980), (398, 2810), (562, 1990), (796, 1405), (995, 1124)]