361240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{821}}^1$

素因数の和:843

約数の個数: 32

約数和(自身を含む): 887760

約数和(自身を除く): 526520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 821, 1642, 3284, 4105, 6568, 8210, 9031, 16420, 18062, 32840, 36124, 45155, 72248, 90310, 180620, 361240]

約数ペア:

[(1, 361240), (2, 180620), (4, 90310), (5, 72248), (8, 45155), (10, 36124), (11, 32840), (20, 18062), (22, 16420), (40, 9031), (44, 8210), (55, 6568), (88, 4105), (110, 3284), (220, 1642), (440, 821)]