311200

素因数分解:

$2^5\times 5^2\times {\mathrm{389}}^1$

素因数の和:409

約数の個数: 36

約数和(自身を含む): 761670

約数和(自身を除く): 450470

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 389, 400, 778, 800, 1556, 1945, 3112, 3890, 6224, 7780, 9725, 12448, 15560, 19450, 31120, 38900, 62240, 77800, 155600, 311200]

約数ペア:

[(1, 311200), (2, 155600), (4, 77800), (5, 62240), (8, 38900), (10, 31120), (16, 19450), (20, 15560), (25, 12448), (32, 9725), (40, 7780), (50, 6224), (80, 3890), (100, 3112), (160, 1945), (200, 1556), (389, 800), (400, 778)]