30443380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1949}}^1$

素因数の和:2040

約数の個数: 48

約数和(自身を含む): 70761600

約数和(自身を除く): 40318220

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 781, 1420, 1562, 1949, 3124, 3898, 3905, 7796, 7810, 9745, 15620, 19490, 21439, 38980, 42878, 85756, 107195, 138379, 214390, 276758, 428780, 553516, 691895, 1383790, 1522169, 2767580, 3044338, 6088676, 7610845, 15221690, 30443380]

約数ペア:

[(1, 30443380), (2, 15221690), (4, 7610845), (5, 6088676), (10, 3044338), (11, 2767580), (20, 1522169), (22, 1383790), (44, 691895), (55, 553516), (71, 428780), (110, 276758), (142, 214390), (220, 138379), (284, 107195), (355, 85756), (710, 42878), (781, 38980), (1420, 21439), (1562, 19490), (1949, 15620), (3124, 9745), (3898, 7810), (3905, 7796)]