2028121180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{67559}}^1$

素因数の和:67666

約数の個数: 48

約数和(自身を含む): 4540032000

約数和(自身を除く): 2511910820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 79, 95, 158, 190, 316, 380, 395, 790, 1501, 1580, 3002, 6004, 7505, 15010, 30020, 67559, 135118, 270236, 337795, 675590, 1283621, 1351180, 2567242, 5134484, 5337161, 6418105, 10674322, 12836210, 21348644, 25672420, 26685805, 53371610, 101406059, 106743220, 202812118, 405624236, 507030295, 1014060590, 2028121180]

約数ペア:

[(1, 2028121180), (2, 1014060590), (4, 507030295), (5, 405624236), (10, 202812118), (19, 106743220), (20, 101406059), (38, 53371610), (76, 26685805), (79, 25672420), (95, 21348644), (158, 12836210), (190, 10674322), (316, 6418105), (380, 5337161), (395, 5134484), (790, 2567242), (1501, 1351180), (1580, 1283621), (3002, 675590), (6004, 337795), (7505, 270236), (15010, 135118), (30020, 67559)]