200921285

素因数分解:

$5^1\times {\mathrm{37}}^2\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:425

約数の個数: 24

約数和(自身を含む): 250727400

約数和(自身を除く): 49806115

約数列:

[1, 5, 37, 149, 185, 197, 745, 985, 1369, 5513, 6845, 7289, 27565, 29353, 36445, 146765, 203981, 269693, 1019905, 1086061, 1348465, 5430305, 40184257, 200921285]

約数ペア:

[(1, 200921285), (5, 40184257), (37, 5430305), (149, 1348465), (185, 1086061), (197, 1019905), (745, 269693), (985, 203981), (1369, 146765), (5513, 36445), (6845, 29353), (7289, 27565)]