1221740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:186

約数の個数: 48

約数和(自身を含む): 2860032

約数和(自身を除く): 1638292

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 127, 130, 148, 185, 254, 260, 370, 481, 508, 635, 740, 962, 1270, 1651, 1924, 2405, 2540, 3302, 4699, 4810, 6604, 8255, 9398, 9620, 16510, 18796, 23495, 33020, 46990, 61087, 93980, 122174, 244348, 305435, 610870, 1221740]

約数ペア:

[(1, 1221740), (2, 610870), (4, 305435), (5, 244348), (10, 122174), (13, 93980), (20, 61087), (26, 46990), (37, 33020), (52, 23495), (65, 18796), (74, 16510), (127, 9620), (130, 9398), (148, 8255), (185, 6604), (254, 4810), (260, 4699), (370, 3302), (481, 2540), (508, 2405), (635, 1924), (740, 1651), (962, 1270)]