7760840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1$

素因数の和:242

約数の個数: 64

約数和(自身を含む): 18837360

約数和(自身を除く): 11076520

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 101, 113, 136, 170, 202, 226, 340, 404, 452, 505, 565, 680, 808, 904, 1010, 1130, 1717, 1921, 2020, 2260, 3434, 3842, 4040, 4520, 6868, 7684, 8585, 9605, 11413, 13736, 15368, 17170, 19210, 22826, 34340, 38420, 45652, 57065, 68680, 76840, 91304, 114130, 194021, 228260, 388042, 456520, 776084, 970105, 1552168, 1940210, 3880420, 7760840]

約数ペア:

[(1, 7760840), (2, 3880420), (4, 1940210), (5, 1552168), (8, 970105), (10, 776084), (17, 456520), (20, 388042), (34, 228260), (40, 194021), (68, 114130), (85, 91304), (101, 76840), (113, 68680), (136, 57065), (170, 45652), (202, 38420), (226, 34340), (340, 22826), (404, 19210), (452, 17170), (505, 15368), (565, 13736), (680, 11413), (808, 9605), (904, 8585), (1010, 7684), (1130, 6868), (1717, 4520), (1921, 4040), (2020, 3842), (2260, 3434)]