1431290

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{127}}^1$

素因数の和:171

約数の個数: 48

約数和(自身を含む): 3151872

約数和(自身を除く): 1720582

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 49, 70, 98, 115, 127, 161, 230, 245, 254, 322, 490, 635, 805, 889, 1127, 1270, 1610, 1778, 2254, 2921, 4445, 5635, 5842, 6223, 8890, 11270, 12446, 14605, 20447, 29210, 31115, 40894, 62230, 102235, 143129, 204470, 286258, 715645, 1431290]

約数ペア:

[(1, 1431290), (2, 715645), (5, 286258), (7, 204470), (10, 143129), (14, 102235), (23, 62230), (35, 40894), (46, 31115), (49, 29210), (70, 20447), (98, 14605), (115, 12446), (127, 11270), (161, 8890), (230, 6223), (245, 5842), (254, 5635), (322, 4445), (490, 2921), (635, 2254), (805, 1778), (889, 1610), (1127, 1270)]