201898540

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{98009}}^1$

素因数の和:98121

約数の個数: 24

約数和(自身を含む): 428107680

約数和(自身を除く): 226209140

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 98009, 196018, 392036, 490045, 980090, 1960180, 10094927, 20189854, 40379708, 50474635, 100949270, 201898540]

約数ペア:

[(1, 201898540), (2, 100949270), (4, 50474635), (5, 40379708), (10, 20189854), (20, 10094927), (103, 1960180), (206, 980090), (412, 490045), (515, 392036), (1030, 196018), (2060, 98009)]