2019090800

素因数分解:

$2^4\times 5^2\times {\mathrm{43}}^1\times {\mathrm{117389}}^1$

素因数の和:117450

約数の個数: 60

約数和(自身を含む): 4963718760

約数和(自身を除く): 2944627960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 43, 50, 80, 86, 100, 172, 200, 215, 344, 400, 430, 688, 860, 1075, 1720, 2150, 3440, 4300, 8600, 17200, 117389, 234778, 469556, 586945, 939112, 1173890, 1878224, 2347780, 2934725, 4695560, 5047727, 5869450, 9391120, 10095454, 11738900, 20190908, 23477800, 25238635, 40381816, 46955600, 50477270, 80763632, 100954540, 126193175, 201909080, 252386350, 403818160, 504772700, 1009545400, 2019090800]

約数ペア:

[(1, 2019090800), (2, 1009545400), (4, 504772700), (5, 403818160), (8, 252386350), (10, 201909080), (16, 126193175), (20, 100954540), (25, 80763632), (40, 50477270), (43, 46955600), (50, 40381816), (80, 25238635), (86, 23477800), (100, 20190908), (172, 11738900), (200, 10095454), (215, 9391120), (344, 5869450), (400, 5047727), (430, 4695560), (688, 2934725), (860, 2347780), (1075, 1878224), (1720, 1173890), (2150, 939112), (3440, 586945), (4300, 469556), (8600, 234778), (17200, 117389)]