200172505

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1487}}^1$

素因数の和:1633

約数の個数: 32

約数和(自身を含む): 274982400

約数和(自身を除く): 74809895

約数列:

[1, 5, 13, 19, 65, 95, 109, 247, 545, 1235, 1417, 1487, 2071, 7085, 7435, 10355, 19331, 26923, 28253, 96655, 134615, 141265, 162083, 367289, 810415, 1836445, 2107079, 3079577, 10535395, 15397885, 40034501, 200172505]

約数ペア:

[(1, 200172505), (5, 40034501), (13, 15397885), (19, 10535395), (65, 3079577), (95, 2107079), (109, 1836445), (247, 810415), (545, 367289), (1235, 162083), (1417, 141265), (1487, 134615), (2071, 96655), (7085, 28253), (7435, 26923), (10355, 19331)]