2808414580

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{10589}}^1$

素因数の和:10836

約数の個数: 48

約数和(自身を含む): 6004530000

約数和(自身を除く): 3196115420

約数列:

[1, 2, 4, 5, 10, 20, 89, 149, 178, 298, 356, 445, 596, 745, 890, 1490, 1780, 2980, 10589, 13261, 21178, 26522, 42356, 52945, 53044, 66305, 105890, 132610, 211780, 265220, 942421, 1577761, 1884842, 3155522, 3769684, 4712105, 6311044, 7888805, 9424210, 15777610, 18848420, 31555220, 140420729, 280841458, 561682916, 702103645, 1404207290, 2808414580]

約数ペア:

[(1, 2808414580), (2, 1404207290), (4, 702103645), (5, 561682916), (10, 280841458), (20, 140420729), (89, 31555220), (149, 18848420), (178, 15777610), (298, 9424210), (356, 7888805), (445, 6311044), (596, 4712105), (745, 3769684), (890, 3155522), (1490, 1884842), (1780, 1577761), (2980, 942421), (10589, 265220), (13261, 211780), (21178, 132610), (26522, 105890), (42356, 66305), (52945, 53044)]