28916300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{409}}^1$

素因数の和:531

約数の個数: 72

約数和(自身を含む): 72599520

約数和(自身を除く): 43683220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 101, 140, 175, 202, 350, 404, 409, 505, 700, 707, 818, 1010, 1414, 1636, 2020, 2045, 2525, 2828, 2863, 3535, 4090, 5050, 5726, 7070, 8180, 10100, 10225, 11452, 14140, 14315, 17675, 20450, 28630, 35350, 40900, 41309, 57260, 70700, 71575, 82618, 143150, 165236, 206545, 286300, 289163, 413090, 578326, 826180, 1032725, 1156652, 1445815, 2065450, 2891630, 4130900, 5783260, 7229075, 14458150, 28916300]

約数ペア:

[(1, 28916300), (2, 14458150), (4, 7229075), (5, 5783260), (7, 4130900), (10, 2891630), (14, 2065450), (20, 1445815), (25, 1156652), (28, 1032725), (35, 826180), (50, 578326), (70, 413090), (100, 289163), (101, 286300), (140, 206545), (175, 165236), (202, 143150), (350, 82618), (404, 71575), (409, 70700), (505, 57260), (700, 41309), (707, 40900), (818, 35350), (1010, 28630), (1414, 20450), (1636, 17675), (2020, 14315), (2045, 14140), (2525, 11452), (2828, 10225), (2863, 10100), (3535, 8180), (4090, 7070), (5050, 5726)]