201280375

素因数分解:

$5^3\times {\mathrm{101}}^1\times {\mathrm{107}}^1\times {\mathrm{149}}^1$

素因数の和:372

約数の個数: 32

約数和(自身を含む): 257774400

約数和(自身を除く): 56494025

約数列:

[1, 5, 25, 101, 107, 125, 149, 505, 535, 745, 2525, 2675, 3725, 10807, 12625, 13375, 15049, 15943, 18625, 54035, 75245, 79715, 270175, 376225, 398575, 1350875, 1610243, 1881125, 1992875, 8051215, 40256075, 201280375]

約数ペア:

[(1, 201280375), (5, 40256075), (25, 8051215), (101, 1992875), (107, 1881125), (125, 1610243), (149, 1350875), (505, 398575), (535, 376225), (745, 270175), (2525, 79715), (2675, 75245), (3725, 54035), (10807, 18625), (12625, 15943), (13375, 15049)]