2664740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{277}}^1$

素因数の和:336

約数の個数: 48

約数和(自身を含む): 6211632

約数和(自身を除く): 3546892

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 277, 370, 481, 554, 740, 962, 1108, 1385, 1924, 2405, 2770, 3601, 4810, 5540, 7202, 9620, 10249, 14404, 18005, 20498, 36010, 40996, 51245, 72020, 102490, 133237, 204980, 266474, 532948, 666185, 1332370, 2664740]

約数ペア:

[(1, 2664740), (2, 1332370), (4, 666185), (5, 532948), (10, 266474), (13, 204980), (20, 133237), (26, 102490), (37, 72020), (52, 51245), (65, 40996), (74, 36010), (130, 20498), (148, 18005), (185, 14404), (260, 10249), (277, 9620), (370, 7202), (481, 5540), (554, 4810), (740, 3601), (962, 2770), (1108, 2405), (1385, 1924)]