156902180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{15913}}^1$

素因数の和:15968

約数の個数: 48

約数和(自身を含む): 360929520

約数和(自身を除く): 204027340

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 58, 68, 85, 116, 145, 170, 290, 340, 493, 580, 986, 1972, 2465, 4930, 9860, 15913, 31826, 63652, 79565, 159130, 270521, 318260, 461477, 541042, 922954, 1082084, 1352605, 1845908, 2307385, 2705210, 4614770, 5410420, 7845109, 9229540, 15690218, 31380436, 39225545, 78451090, 156902180]

約数ペア:

[(1, 156902180), (2, 78451090), (4, 39225545), (5, 31380436), (10, 15690218), (17, 9229540), (20, 7845109), (29, 5410420), (34, 4614770), (58, 2705210), (68, 2307385), (85, 1845908), (116, 1352605), (145, 1082084), (170, 922954), (290, 541042), (340, 461477), (493, 318260), (580, 270521), (986, 159130), (1972, 79565), (2465, 63652), (4930, 31826), (9860, 15913)]