2017287140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{90787}}^1$

素因数の和:90908

約数の個数: 48

約数和(自身を含む): 4667229504

約数和(自身を除く): 2649942364

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 202, 220, 404, 505, 1010, 1111, 2020, 2222, 4444, 5555, 11110, 22220, 90787, 181574, 363148, 453935, 907870, 998657, 1815740, 1997314, 3994628, 4993285, 9169487, 9986570, 18338974, 19973140, 36677948, 45847435, 91694870, 100864357, 183389740, 201728714, 403457428, 504321785, 1008643570, 2017287140]

約数ペア:

[(1, 2017287140), (2, 1008643570), (4, 504321785), (5, 403457428), (10, 201728714), (11, 183389740), (20, 100864357), (22, 91694870), (44, 45847435), (55, 36677948), (101, 19973140), (110, 18338974), (202, 9986570), (220, 9169487), (404, 4993285), (505, 3994628), (1010, 1997314), (1111, 1815740), (2020, 998657), (2222, 907870), (4444, 453935), (5555, 363148), (11110, 181574), (22220, 90787)]