9899440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1$

素因数の和:310

約数の個数: 80

約数和(自身を含む): 25310880

約数和(自身を除く): 15411440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 34, 40, 58, 68, 80, 85, 116, 136, 145, 170, 232, 251, 272, 290, 340, 464, 493, 502, 580, 680, 986, 1004, 1160, 1255, 1360, 1972, 2008, 2320, 2465, 2510, 3944, 4016, 4267, 4930, 5020, 7279, 7888, 8534, 9860, 10040, 14558, 17068, 19720, 20080, 21335, 29116, 34136, 36395, 39440, 42670, 58232, 68272, 72790, 85340, 116464, 123743, 145580, 170680, 247486, 291160, 341360, 494972, 582320, 618715, 989944, 1237430, 1979888, 2474860, 4949720, 9899440]

約数ペア:

[(1, 9899440), (2, 4949720), (4, 2474860), (5, 1979888), (8, 1237430), (10, 989944), (16, 618715), (17, 582320), (20, 494972), (29, 341360), (34, 291160), (40, 247486), (58, 170680), (68, 145580), (80, 123743), (85, 116464), (116, 85340), (136, 72790), (145, 68272), (170, 58232), (232, 42670), (251, 39440), (272, 36395), (290, 34136), (340, 29116), (464, 21335), (493, 20080), (502, 19720), (580, 17068), (680, 14558), (986, 10040), (1004, 9860), (1160, 8534), (1255, 7888), (1360, 7279), (1972, 5020), (2008, 4930), (2320, 4267), (2465, 4016), (2510, 3944)]