255804980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{353}}^1\times {\mathrm{1907}}^1$

素因数の和:2288

約数の個数: 48

約数和(自身を含む): 567362880

約数和(自身を除く): 311557900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 353, 380, 706, 1412, 1765, 1907, 3530, 3814, 6707, 7060, 7628, 9535, 13414, 19070, 26828, 33535, 36233, 38140, 67070, 72466, 134140, 144932, 181165, 362330, 673171, 724660, 1346342, 2692684, 3365855, 6731710, 12790249, 13463420, 25580498, 51160996, 63951245, 127902490, 255804980]

約数ペア:

[(1, 255804980), (2, 127902490), (4, 63951245), (5, 51160996), (10, 25580498), (19, 13463420), (20, 12790249), (38, 6731710), (76, 3365855), (95, 2692684), (190, 1346342), (353, 724660), (380, 673171), (706, 362330), (1412, 181165), (1765, 144932), (1907, 134140), (3530, 72466), (3814, 67070), (6707, 38140), (7060, 36233), (7628, 33535), (9535, 26828), (13414, 19070)]