1397300

素因数分解:

$2^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:260

約数の個数: 36

約数和(自身を含む): 3085740

約数和(自身を除く): 1688440

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 89, 100, 157, 178, 314, 356, 445, 628, 785, 890, 1570, 1780, 2225, 3140, 3925, 4450, 7850, 8900, 13973, 15700, 27946, 55892, 69865, 139730, 279460, 349325, 698650, 1397300]

約数ペア:

[(1, 1397300), (2, 698650), (4, 349325), (5, 279460), (10, 139730), (20, 69865), (25, 55892), (50, 27946), (89, 15700), (100, 13973), (157, 8900), (178, 7850), (314, 4450), (356, 3925), (445, 3140), (628, 2225), (785, 1780), (890, 1570)]