4688420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:332

約数の個数: 48

約数和(自身を含む): 10898496

約数和(自身を除く): 6210076

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 202, 211, 220, 404, 422, 505, 844, 1010, 1055, 1111, 2020, 2110, 2222, 2321, 4220, 4444, 4642, 5555, 9284, 11110, 11605, 21311, 22220, 23210, 42622, 46420, 85244, 106555, 213110, 234421, 426220, 468842, 937684, 1172105, 2344210, 4688420]

約数ペア:

[(1, 4688420), (2, 2344210), (4, 1172105), (5, 937684), (10, 468842), (11, 426220), (20, 234421), (22, 213110), (44, 106555), (55, 85244), (101, 46420), (110, 42622), (202, 23210), (211, 22220), (220, 21311), (404, 11605), (422, 11110), (505, 9284), (844, 5555), (1010, 4642), (1055, 4444), (1111, 4220), (2020, 2321), (2110, 2222)]