198101420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{900461}}^1$

素因数の和:900481

約数の個数: 24

約数和(自身を含む): 453832848

約数和(自身を除く): 255731428

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 900461, 1800922, 3601844, 4502305, 9004610, 9905071, 18009220, 19810142, 39620284, 49525355, 99050710, 198101420]

約数ペア:

[(1, 198101420), (2, 99050710), (4, 49525355), (5, 39620284), (10, 19810142), (11, 18009220), (20, 9905071), (22, 9004610), (44, 4502305), (55, 3601844), (110, 1800922), (220, 900461)]