210648680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{478747}}^1$

素因数の和:478769

約数の個数: 32

約数和(自身を含む): 517047840

約数和(自身を除く): 306399160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 478747, 957494, 1914988, 2393735, 3829976, 4787470, 5266217, 9574940, 10532434, 19149880, 21064868, 26331085, 42129736, 52662170, 105324340, 210648680]

約数ペア:

[(1, 210648680), (2, 105324340), (4, 52662170), (5, 42129736), (8, 26331085), (10, 21064868), (11, 19149880), (20, 10532434), (22, 9574940), (40, 5266217), (44, 4787470), (55, 3829976), (88, 2393735), (110, 1914988), (220, 957494), (440, 478747)]