201877798580

素因数分解:

$2^2\times 5^1\times {\mathrm{72109}}^1\times {\mathrm{139981}}^1$

素因数の和:212099

約数の個数: 24

約数和(自身を含む): 423952284840

約数和(自身を除く): 222074486260

約数列:

[1, 2, 4, 5, 10, 20, 72109, 139981, 144218, 279962, 288436, 360545, 559924, 699905, 721090, 1399810, 1442180, 2799620, 10093889929, 20187779858, 40375559716, 50469449645, 100938899290, 201877798580]

約数ペア:

[(1, 201877798580), (2, 100938899290), (4, 50469449645), (5, 40375559716), (10, 20187779858), (20, 10093889929), (72109, 2799620), (139981, 1442180), (144218, 1399810), (279962, 721090), (288436, 699905), (360545, 559924)]