254594780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{31277}}^1$

素因数の和:31334

約数の個数: 48

約数和(自身を含む): 599036256

約数和(自身を除く): 344441476

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 740, 814, 1628, 2035, 4070, 8140, 31277, 62554, 125108, 156385, 312770, 344047, 625540, 688094, 1157249, 1376188, 1720235, 2314498, 3440470, 4628996, 5786245, 6880940, 11572490, 12729739, 23144980, 25459478, 50918956, 63648695, 127297390, 254594780]

約数ペア:

[(1, 254594780), (2, 127297390), (4, 63648695), (5, 50918956), (10, 25459478), (11, 23144980), (20, 12729739), (22, 11572490), (37, 6880940), (44, 5786245), (55, 4628996), (74, 3440470), (110, 2314498), (148, 1720235), (185, 1376188), (220, 1157249), (370, 688094), (407, 625540), (740, 344047), (814, 312770), (1628, 156385), (2035, 125108), (4070, 62554), (8140, 31277)]