199678625

素因数分解:

$5^3\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{151}}^1$

素因数の和:386

約数の個数: 32

約数和(自身を含む): 256089600

約数和(自身を除く): 56410975

約数列:

[1, 5, 25, 71, 125, 149, 151, 355, 745, 755, 1775, 3725, 3775, 8875, 10579, 10721, 18625, 18875, 22499, 52895, 53605, 112495, 264475, 268025, 562475, 1322375, 1340125, 1597429, 2812375, 7987145, 39935725, 199678625]

約数ペア:

[(1, 199678625), (5, 39935725), (25, 7987145), (71, 2812375), (125, 1597429), (149, 1340125), (151, 1322375), (355, 562475), (745, 268025), (755, 264475), (1775, 112495), (3725, 53605), (3775, 52895), (8875, 22499), (10579, 18875), (10721, 18625)]