7282420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 16003008

約数和(自身を除く): 8720588

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 83, 107, 164, 166, 205, 214, 332, 410, 415, 428, 535, 820, 830, 1070, 1660, 2140, 3403, 4387, 6806, 8774, 8881, 13612, 17015, 17548, 17762, 21935, 34030, 35524, 43870, 44405, 68060, 87740, 88810, 177620, 364121, 728242, 1456484, 1820605, 3641210, 7282420]

約数ペア:

[(1, 7282420), (2, 3641210), (4, 1820605), (5, 1456484), (10, 728242), (20, 364121), (41, 177620), (82, 88810), (83, 87740), (107, 68060), (164, 44405), (166, 43870), (205, 35524), (214, 34030), (332, 21935), (410, 17762), (415, 17548), (428, 17015), (535, 13612), (820, 8881), (830, 8774), (1070, 6806), (1660, 4387), (2140, 3403)]