173292020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{1871}}^1$

素因数の和:2312

約数の個数: 48

約数和(自身を含む): 398151936

約数和(自身を除く): 224859916

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 421, 842, 1684, 1871, 2105, 3742, 4210, 4631, 7484, 8420, 9262, 9355, 18524, 18710, 20581, 23155, 37420, 41162, 46310, 82324, 92620, 102905, 205810, 411620, 787691, 1575382, 3150764, 3938455, 7876910, 8664601, 15753820, 17329202, 34658404, 43323005, 86646010, 173292020]

約数ペア:

[(1, 173292020), (2, 86646010), (4, 43323005), (5, 34658404), (10, 17329202), (11, 15753820), (20, 8664601), (22, 7876910), (44, 3938455), (55, 3150764), (110, 1575382), (220, 787691), (421, 411620), (842, 205810), (1684, 102905), (1871, 92620), (2105, 82324), (3742, 46310), (4210, 41162), (4631, 37420), (7484, 23155), (8420, 20581), (9262, 18710), (9355, 18524)]