392911240

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{124339}}^1$

素因数の和:124429

約数の個数: 32

約数和(自身を含む): 895248000

約数和(自身を除く): 502336760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 124339, 248678, 497356, 621695, 994712, 1243390, 2486780, 4973560, 9822781, 19645562, 39291124, 49113905, 78582248, 98227810, 196455620, 392911240]

約数ペア:

[(1, 392911240), (2, 196455620), (4, 98227810), (5, 78582248), (8, 49113905), (10, 39291124), (20, 19645562), (40, 9822781), (79, 4973560), (158, 2486780), (316, 1243390), (395, 994712), (632, 621695), (790, 497356), (1580, 248678), (3160, 124339)]