28746830

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{17}}^2\times {\mathrm{29}}^1$

素因数の和:91

約数の個数: 96

約数和(自身を含む): 66312000

約数和(自身を除く): 37565170

約数列:

[1, 2, 5, 7, 10, 14, 17, 29, 34, 35, 49, 58, 70, 85, 98, 119, 145, 170, 203, 238, 245, 289, 290, 343, 406, 490, 493, 578, 595, 686, 833, 986, 1015, 1190, 1421, 1445, 1666, 1715, 2023, 2030, 2465, 2842, 2890, 3430, 3451, 4046, 4165, 4930, 5831, 6902, 7105, 8330, 8381, 9947, 10115, 11662, 14161, 14210, 16762, 17255, 19894, 20230, 24157, 28322, 29155, 34510, 41905, 48314, 49735, 58310, 58667, 70805, 83810, 99127, 99470, 117334, 120785, 141610, 169099, 198254, 241570, 293335, 338198, 410669, 495635, 586670, 821338, 845495, 991270, 1690990, 2053345, 2874683, 4106690, 5749366, 14373415, 28746830]

約数ペア:

[(1, 28746830), (2, 14373415), (5, 5749366), (7, 4106690), (10, 2874683), (14, 2053345), (17, 1690990), (29, 991270), (34, 845495), (35, 821338), (49, 586670), (58, 495635), (70, 410669), (85, 338198), (98, 293335), (119, 241570), (145, 198254), (170, 169099), (203, 141610), (238, 120785), (245, 117334), (289, 99470), (290, 99127), (343, 83810), (406, 70805), (490, 58667), (493, 58310), (578, 49735), (595, 48314), (686, 41905), (833, 34510), (986, 29155), (1015, 28322), (1190, 24157), (1421, 20230), (1445, 19894), (1666, 17255), (1715, 16762), (2023, 14210), (2030, 14161), (2465, 11662), (2842, 10115), (2890, 9947), (3430, 8381), (3451, 8330), (4046, 7105), (4165, 6902), (4930, 5831)]