51144940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{33211}}^1$

素因数の和:33238

約数の個数: 48

約数和(自身を含む): 133910784

約数和(自身を除く): 82765844

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 33211, 66422, 132844, 166055, 232477, 332110, 365321, 464954, 664220, 730642, 929908, 1162385, 1461284, 1826605, 2324770, 2557247, 3653210, 4649540, 5114494, 7306420, 10228988, 12786235, 25572470, 51144940]

約数ペア:

[(1, 51144940), (2, 25572470), (4, 12786235), (5, 10228988), (7, 7306420), (10, 5114494), (11, 4649540), (14, 3653210), (20, 2557247), (22, 2324770), (28, 1826605), (35, 1461284), (44, 1162385), (55, 929908), (70, 730642), (77, 664220), (110, 464954), (140, 365321), (154, 332110), (220, 232477), (308, 166055), (385, 132844), (770, 66422), (1540, 33211)]