3880420

素因数分解:

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

素因数の和:240

約数の個数: 48

約数和(自身を含む): 8790768

約数和(自身を除く): 4910348

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 101, 113, 170, 202, 226, 340, 404, 452, 505, 565, 1010, 1130, 1717, 1921, 2020, 2260, 3434, 3842, 6868, 7684, 8585, 9605, 11413, 17170, 19210, 22826, 34340, 38420, 45652, 57065, 114130, 194021, 228260, 388042, 776084, 970105, 1940210, 3880420]

約数ペア:

[(1, 3880420), (2, 1940210), (4, 970105), (5, 776084), (10, 388042), (17, 228260), (20, 194021), (34, 114130), (68, 57065), (85, 45652), (101, 38420), (113, 34340), (170, 22826), (202, 19210), (226, 17170), (340, 11413), (404, 9605), (452, 8585), (505, 7684), (565, 6868), (1010, 3842), (1130, 3434), (1717, 2260), (1921, 2020)]