199907900

素因数分解:

$2^2\times 5^2\times {\mathrm{67}}^1\times {\mathrm{29837}}^1$

素因数の和:29918

約数の個数: 36

約数和(自身を含む): 440289528

約数和(自身を除く): 240381628

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 67, 100, 134, 268, 335, 670, 1340, 1675, 3350, 6700, 29837, 59674, 119348, 149185, 298370, 596740, 745925, 1491850, 1999079, 2983700, 3998158, 7996316, 9995395, 19990790, 39981580, 49976975, 99953950, 199907900]

約数ペア:

[(1, 199907900), (2, 99953950), (4, 49976975), (5, 39981580), (10, 19990790), (20, 9995395), (25, 7996316), (50, 3998158), (67, 2983700), (100, 1999079), (134, 1491850), (268, 745925), (335, 596740), (670, 298370), (1340, 149185), (1675, 119348), (3350, 59674), (6700, 29837)]