154976420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{4513}}^1$

素因数の和:4640

約数の個数: 48

約数和(自身を含む): 348083568

約数和(自身を除く): 193107148

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 101, 170, 202, 340, 404, 505, 1010, 1717, 2020, 3434, 4513, 6868, 8585, 9026, 17170, 18052, 22565, 34340, 45130, 76721, 90260, 153442, 306884, 383605, 455813, 767210, 911626, 1534420, 1823252, 2279065, 4558130, 7748821, 9116260, 15497642, 30995284, 38744105, 77488210, 154976420]

約数ペア:

[(1, 154976420), (2, 77488210), (4, 38744105), (5, 30995284), (10, 15497642), (17, 9116260), (20, 7748821), (34, 4558130), (68, 2279065), (85, 1823252), (101, 1534420), (170, 911626), (202, 767210), (340, 455813), (404, 383605), (505, 306884), (1010, 153442), (1717, 90260), (2020, 76721), (3434, 45130), (4513, 34340), (6868, 22565), (8585, 18052), (9026, 17170)]