3131480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{647}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 7756560

約数和(自身を除く): 4625080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 647, 968, 1210, 1294, 2420, 2588, 3235, 4840, 5176, 6470, 7117, 12940, 14234, 25880, 28468, 35585, 56936, 71170, 78287, 142340, 156574, 284680, 313148, 391435, 626296, 782870, 1565740, 3131480]

約数ペア:

[(1, 3131480), (2, 1565740), (4, 782870), (5, 626296), (8, 391435), (10, 313148), (11, 284680), (20, 156574), (22, 142340), (40, 78287), (44, 71170), (55, 56936), (88, 35585), (110, 28468), (121, 25880), (220, 14234), (242, 12940), (440, 7117), (484, 6470), (605, 5176), (647, 4840), (968, 3235), (1210, 2588), (1294, 2420)]