200991025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{14591}}^1$

素因数の和:14649

約数の個数: 24

約数和(自身を含む): 271411200

約数和(自身を除く): 70420175

約数列:

[1, 5, 19, 25, 29, 95, 145, 475, 551, 725, 2755, 13775, 14591, 72955, 277229, 364775, 423139, 1386145, 2115695, 6930725, 8039641, 10578475, 40198205, 200991025]

約数ペア:

[(1, 200991025), (5, 40198205), (19, 10578475), (25, 8039641), (29, 6930725), (95, 2115695), (145, 1386145), (475, 423139), (551, 364775), (725, 277229), (2755, 72955), (13775, 14591)]