201440395

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{379}}^1$

素因数の和:464

約数の個数: 48

約数和(自身を含む): 285392160

約数和(自身を除く): 83951765

約数列:

[1, 5, 13, 17, 37, 65, 85, 169, 185, 221, 379, 481, 629, 845, 1105, 1895, 2405, 2873, 3145, 4927, 6253, 6443, 8177, 14023, 14365, 24635, 31265, 32215, 40885, 64051, 70115, 83759, 106301, 182299, 238391, 320255, 418795, 531505, 911495, 1088867, 1191955, 2369887, 3099083, 5444335, 11849435, 15495415, 40288079, 201440395]

約数ペア:

[(1, 201440395), (5, 40288079), (13, 15495415), (17, 11849435), (37, 5444335), (65, 3099083), (85, 2369887), (169, 1191955), (185, 1088867), (221, 911495), (379, 531505), (481, 418795), (629, 320255), (845, 238391), (1105, 182299), (1895, 106301), (2405, 83759), (2873, 70115), (3145, 64051), (4927, 40885), (6253, 32215), (6443, 31265), (8177, 24635), (14023, 14365)]