317284480

素因数分解:

$2^7\times 5^1\times {\mathrm{495757}}^1$

素因数の和:495776

約数の個数: 32

約数和(自身を含む): 758509740

約数和(自身を除く): 441225260

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 495757, 991514, 1983028, 2478785, 3966056, 4957570, 7932112, 9915140, 15864224, 19830280, 31728448, 39660560, 63456896, 79321120, 158642240, 317284480]

約数ペア:

[(1, 317284480), (2, 158642240), (4, 79321120), (5, 63456896), (8, 39660560), (10, 31728448), (16, 19830280), (20, 15864224), (32, 9915140), (40, 7932112), (64, 4957570), (80, 3966056), (128, 2478785), (160, 1983028), (320, 991514), (640, 495757)]