4377340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{197}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 10178784

約数和(自身を除く): 5801444

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 197, 202, 220, 394, 404, 505, 788, 985, 1010, 1111, 1970, 2020, 2167, 2222, 3940, 4334, 4444, 5555, 8668, 10835, 11110, 19897, 21670, 22220, 39794, 43340, 79588, 99485, 198970, 218867, 397940, 437734, 875468, 1094335, 2188670, 4377340]

約数ペア:

[(1, 4377340), (2, 2188670), (4, 1094335), (5, 875468), (10, 437734), (11, 397940), (20, 218867), (22, 198970), (44, 99485), (55, 79588), (101, 43340), (110, 39794), (197, 22220), (202, 21670), (220, 19897), (394, 11110), (404, 10835), (505, 8668), (788, 5555), (985, 4444), (1010, 4334), (1111, 3940), (1970, 2222), (2020, 2167)]