57197980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{21503}}^1$

素因数の和:21538

約数の個数: 48

約数和(自身を含む): 144506880

約数和(自身を除く): 87308900

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 21503, 43006, 86012, 107515, 150521, 215030, 301042, 408557, 430060, 602084, 752605, 817114, 1505210, 1634228, 2042785, 2859899, 3010420, 4085570, 5719798, 8171140, 11439596, 14299495, 28598990, 57197980]

約数ペア:

[(1, 57197980), (2, 28598990), (4, 14299495), (5, 11439596), (7, 8171140), (10, 5719798), (14, 4085570), (19, 3010420), (20, 2859899), (28, 2042785), (35, 1634228), (38, 1505210), (70, 817114), (76, 752605), (95, 602084), (133, 430060), (140, 408557), (190, 301042), (266, 215030), (380, 150521), (532, 107515), (665, 86012), (1330, 43006), (2660, 21503)]