2012399292275

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{222980531}}^1$

素因数の和:222980579

約数の個数: 18

約数和(自身を含む): 2633623063452

約数和(自身を除く): 621223771177

約数列:

[1, 5, 19, 25, 95, 361, 475, 1805, 9025, 222980531, 1114902655, 4236630089, 5574513275, 21183150445, 80495971691, 105915752225, 402479858455, 2012399292275]

約数ペア:

[(1, 2012399292275), (5, 402479858455), (19, 105915752225), (25, 80495971691), (95, 21183150445), (361, 5574513275), (475, 4236630089), (1805, 1114902655), (9025, 222980531)]