1011400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{389}}^1$

素因数の和:418

約数の個数: 48

約数和(自身を含む): 2538900

約数和(自身を除く): 1527500

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 389, 520, 650, 778, 1300, 1556, 1945, 2600, 3112, 3890, 5057, 7780, 9725, 10114, 15560, 19450, 20228, 25285, 38900, 40456, 50570, 77800, 101140, 126425, 202280, 252850, 505700, 1011400]

約数ペア:

[(1, 1011400), (2, 505700), (4, 252850), (5, 202280), (8, 126425), (10, 101140), (13, 77800), (20, 50570), (25, 40456), (26, 38900), (40, 25285), (50, 20228), (52, 19450), (65, 15560), (100, 10114), (104, 9725), (130, 7780), (200, 5057), (260, 3890), (325, 3112), (389, 2600), (520, 1945), (650, 1556), (778, 1300)]