7641980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{449}}^1$

素因数の和:518

約数の個数: 48

約数和(自身を含む): 17236800

約数和(自身を除く): 9594820

約数列:

[1, 2, 4, 5, 10, 20, 23, 37, 46, 74, 92, 115, 148, 185, 230, 370, 449, 460, 740, 851, 898, 1702, 1796, 2245, 3404, 4255, 4490, 8510, 8980, 10327, 16613, 17020, 20654, 33226, 41308, 51635, 66452, 83065, 103270, 166130, 206540, 332260, 382099, 764198, 1528396, 1910495, 3820990, 7641980]

約数ペア:

[(1, 7641980), (2, 3820990), (4, 1910495), (5, 1528396), (10, 764198), (20, 382099), (23, 332260), (37, 206540), (46, 166130), (74, 103270), (92, 83065), (115, 66452), (148, 51635), (185, 41308), (230, 33226), (370, 20654), (449, 17020), (460, 16613), (740, 10327), (851, 8980), (898, 8510), (1702, 4490), (1796, 4255), (2245, 3404)]