201431560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{457799}}^1$

素因数の和:457821

約数の個数: 32

約数和(自身を含む): 494424000

約数和(自身を除く): 292992440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 457799, 915598, 1831196, 2288995, 3662392, 4577990, 5035789, 9155980, 10071578, 18311960, 20143156, 25178945, 40286312, 50357890, 100715780, 201431560]

約数ペア:

[(1, 201431560), (2, 100715780), (4, 50357890), (5, 40286312), (8, 25178945), (10, 20143156), (11, 18311960), (20, 10071578), (22, 9155980), (40, 5035789), (44, 4577990), (55, 3662392), (88, 2288995), (110, 1831196), (220, 915598), (440, 457799)]