4405620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{727}}^1$

素因数の和:840

約数の個数: 48

約数和(自身を含む): 12475008

約数和(自身を除く): 8069388

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 101, 202, 303, 404, 505, 606, 727, 1010, 1212, 1454, 1515, 2020, 2181, 2908, 3030, 3635, 4362, 6060, 7270, 8724, 10905, 14540, 21810, 43620, 73427, 146854, 220281, 293708, 367135, 440562, 734270, 881124, 1101405, 1468540, 2202810, 4405620]

約数ペア:

[(1, 4405620), (2, 2202810), (3, 1468540), (4, 1101405), (5, 881124), (6, 734270), (10, 440562), (12, 367135), (15, 293708), (20, 220281), (30, 146854), (60, 73427), (101, 43620), (202, 21810), (303, 14540), (404, 10905), (505, 8724), (606, 7270), (727, 6060), (1010, 4362), (1212, 3635), (1454, 3030), (1515, 2908), (2020, 2181)]