201922375

素因数分解:

$5^3\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{487}}^1$

素因数の和:640

約数の個数: 32

約数和(自身を含む): 263098368

約数和(自身を除く): 61175993

約数列:

[1, 5, 25, 31, 107, 125, 155, 487, 535, 775, 2435, 2675, 3317, 3875, 12175, 13375, 15097, 16585, 52109, 60875, 75485, 82925, 260545, 377425, 414625, 1302725, 1615379, 1887125, 6513625, 8076895, 40384475, 201922375]

約数ペア:

[(1, 201922375), (5, 40384475), (25, 8076895), (31, 6513625), (107, 1887125), (125, 1615379), (155, 1302725), (487, 414625), (535, 377425), (775, 260545), (2435, 82925), (2675, 75485), (3317, 60875), (3875, 52109), (12175, 16585), (13375, 15097)]