2055366890

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^2\times {\mathrm{89}}^1\times {\mathrm{1249}}^1$

素因数の和:1431

約数の個数: 48

約数和(自身を含む): 3833325000

約数和(自身を除く): 1777958110

約数列:

[1, 2, 5, 10, 43, 86, 89, 178, 215, 430, 445, 890, 1249, 1849, 2498, 3698, 3827, 6245, 7654, 9245, 12490, 18490, 19135, 38270, 53707, 107414, 111161, 164561, 222322, 268535, 329122, 537070, 555805, 822805, 1111610, 1645610, 2309401, 4618802, 4779923, 9559846, 11547005, 23094010, 23899615, 47799230, 205536689, 411073378, 1027683445, 2055366890]

約数ペア:

[(1, 2055366890), (2, 1027683445), (5, 411073378), (10, 205536689), (43, 47799230), (86, 23899615), (89, 23094010), (178, 11547005), (215, 9559846), (430, 4779923), (445, 4618802), (890, 2309401), (1249, 1645610), (1849, 1111610), (2498, 822805), (3698, 555805), (3827, 537070), (6245, 329122), (7654, 268535), (9245, 222322), (12490, 164561), (18490, 111161), (19135, 107414), (38270, 53707)]