31198420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{141811}}^1$

素因数の和:141831

約数の個数: 24

約数和(自身を含む): 71473248

約数和(自身を除く): 40274828

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 141811, 283622, 567244, 709055, 1418110, 1559921, 2836220, 3119842, 6239684, 7799605, 15599210, 31198420]

約数ペア:

[(1, 31198420), (2, 15599210), (4, 7799605), (5, 6239684), (10, 3119842), (11, 2836220), (20, 1559921), (22, 1418110), (44, 709055), (55, 567244), (110, 283622), (220, 141811)]