201719020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{1439}}^1$

素因数の和:1654

約数の個数: 48

約数和(自身を含む): 436423680

約数和(自身を除く): 234704660

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 163, 172, 215, 326, 430, 652, 815, 860, 1439, 1630, 2878, 3260, 5756, 7009, 7195, 14018, 14390, 28036, 28780, 35045, 61877, 70090, 123754, 140180, 234557, 247508, 309385, 469114, 618770, 938228, 1172785, 1237540, 2345570, 4691140, 10085951, 20171902, 40343804, 50429755, 100859510, 201719020]

約数ペア:

[(1, 201719020), (2, 100859510), (4, 50429755), (5, 40343804), (10, 20171902), (20, 10085951), (43, 4691140), (86, 2345570), (163, 1237540), (172, 1172785), (215, 938228), (326, 618770), (430, 469114), (652, 309385), (815, 247508), (860, 234557), (1439, 140180), (1630, 123754), (2878, 70090), (3260, 61877), (5756, 35045), (7009, 28780), (7195, 28036), (14018, 14390)]