3857620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{401}}^1$

素因数の和:460

約数の個数: 48

約数和(自身を含む): 8982288

約数和(自身を除く): 5124668

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 401, 481, 740, 802, 962, 1604, 1924, 2005, 2405, 4010, 4810, 5213, 8020, 9620, 10426, 14837, 20852, 26065, 29674, 52130, 59348, 74185, 104260, 148370, 192881, 296740, 385762, 771524, 964405, 1928810, 3857620]

約数ペア:

[(1, 3857620), (2, 1928810), (4, 964405), (5, 771524), (10, 385762), (13, 296740), (20, 192881), (26, 148370), (37, 104260), (52, 74185), (65, 59348), (74, 52130), (130, 29674), (148, 26065), (185, 20852), (260, 14837), (370, 10426), (401, 9620), (481, 8020), (740, 5213), (802, 4810), (962, 4010), (1604, 2405), (1924, 2005)]