71291570

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{29}}^2\times {\mathrm{173}}^1$

素因数の和:252

約数の個数: 72

約数和(自身を含む): 155494404

約数和(自身を除く): 84202834

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 49, 58, 70, 98, 145, 173, 203, 245, 290, 346, 406, 490, 841, 865, 1015, 1211, 1421, 1682, 1730, 2030, 2422, 2842, 4205, 5017, 5887, 6055, 7105, 8410, 8477, 10034, 11774, 12110, 14210, 16954, 25085, 29435, 35119, 41209, 42385, 50170, 58870, 70238, 82418, 84770, 145493, 175595, 206045, 245833, 290986, 351190, 412090, 491666, 727465, 1018451, 1229165, 1454930, 2036902, 2458330, 5092255, 7129157, 10184510, 14258314, 35645785, 71291570]

約数ペア:

[(1, 71291570), (2, 35645785), (5, 14258314), (7, 10184510), (10, 7129157), (14, 5092255), (29, 2458330), (35, 2036902), (49, 1454930), (58, 1229165), (70, 1018451), (98, 727465), (145, 491666), (173, 412090), (203, 351190), (245, 290986), (290, 245833), (346, 206045), (406, 175595), (490, 145493), (841, 84770), (865, 82418), (1015, 70238), (1211, 58870), (1421, 50170), (1682, 42385), (1730, 41209), (2030, 35119), (2422, 29435), (2842, 25085), (4205, 16954), (5017, 14210), (5887, 12110), (6055, 11774), (7105, 10034), (8410, 8477)]