8619340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{251}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 19432224

約数和(自身を除く): 10812884

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 101, 170, 202, 251, 340, 404, 502, 505, 1004, 1010, 1255, 1717, 2020, 2510, 3434, 4267, 5020, 6868, 8534, 8585, 17068, 17170, 21335, 25351, 34340, 42670, 50702, 85340, 101404, 126755, 253510, 430967, 507020, 861934, 1723868, 2154835, 4309670, 8619340]

約数ペア:

[(1, 8619340), (2, 4309670), (4, 2154835), (5, 1723868), (10, 861934), (17, 507020), (20, 430967), (34, 253510), (68, 126755), (85, 101404), (101, 85340), (170, 50702), (202, 42670), (251, 34340), (340, 25351), (404, 21335), (502, 17170), (505, 17068), (1004, 8585), (1010, 8534), (1255, 6868), (1717, 5020), (2020, 4267), (2510, 3434)]