2898640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1907}}^1$

素因数の和:1939

約数の個数: 40

約数和(自身を含む): 7097760

約数和(自身を除く): 4199120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 1907, 3814, 7628, 9535, 15256, 19070, 30512, 36233, 38140, 72466, 76280, 144932, 152560, 181165, 289864, 362330, 579728, 724660, 1449320, 2898640]

約数ペア:

[(1, 2898640), (2, 1449320), (4, 724660), (5, 579728), (8, 362330), (10, 289864), (16, 181165), (19, 152560), (20, 144932), (38, 76280), (40, 72466), (76, 38140), (80, 36233), (95, 30512), (152, 19070), (190, 15256), (304, 9535), (380, 7628), (760, 3814), (1520, 1907)]