138654340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{630247}}^1$

素因数の和:630267

約数の個数: 24

約数和(自身を含む): 317644992

約数和(自身を除く): 178990652

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 630247, 1260494, 2520988, 3151235, 6302470, 6932717, 12604940, 13865434, 27730868, 34663585, 69327170, 138654340]

約数ペア:

[(1, 138654340), (2, 69327170), (4, 34663585), (5, 27730868), (10, 13865434), (11, 12604940), (20, 6932717), (22, 6302470), (44, 3151235), (55, 2520988), (110, 1260494), (220, 630247)]