15494990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{449}}^1$

素因数の和:509

約数の個数: 64

約数和(自身を含む): 34992000

約数和(自身を除く): 19497010

約数列:

[1, 2, 5, 7, 10, 14, 17, 29, 34, 35, 58, 70, 85, 119, 145, 170, 203, 238, 290, 406, 449, 493, 595, 898, 986, 1015, 1190, 2030, 2245, 2465, 3143, 3451, 4490, 4930, 6286, 6902, 7633, 13021, 15266, 15715, 17255, 26042, 31430, 34510, 38165, 53431, 65105, 76330, 91147, 106862, 130210, 182294, 221357, 267155, 442714, 455735, 534310, 911470, 1106785, 1549499, 2213570, 3098998, 7747495, 15494990]

約数ペア:

[(1, 15494990), (2, 7747495), (5, 3098998), (7, 2213570), (10, 1549499), (14, 1106785), (17, 911470), (29, 534310), (34, 455735), (35, 442714), (58, 267155), (70, 221357), (85, 182294), (119, 130210), (145, 106862), (170, 91147), (203, 76330), (238, 65105), (290, 53431), (406, 38165), (449, 34510), (493, 31430), (595, 26042), (898, 17255), (986, 15715), (1015, 15266), (1190, 13021), (2030, 7633), (2245, 6902), (2465, 6286), (3143, 4930), (3451, 4490)]