9988180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1013}}^1$

素因数の和:1068

約数の個数: 48

約数和(自身を含む): 22997520

約数和(自身を除く): 13009340

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 58, 68, 85, 116, 145, 170, 290, 340, 493, 580, 986, 1013, 1972, 2026, 2465, 4052, 4930, 5065, 9860, 10130, 17221, 20260, 29377, 34442, 58754, 68884, 86105, 117508, 146885, 172210, 293770, 344420, 499409, 587540, 998818, 1997636, 2497045, 4994090, 9988180]

約数ペア:

[(1, 9988180), (2, 4994090), (4, 2497045), (5, 1997636), (10, 998818), (17, 587540), (20, 499409), (29, 344420), (34, 293770), (58, 172210), (68, 146885), (85, 117508), (116, 86105), (145, 68884), (170, 58754), (290, 34442), (340, 29377), (493, 20260), (580, 17221), (986, 10130), (1013, 9860), (1972, 5065), (2026, 4930), (2465, 4052)]