13973000

素因数分解:

$2^3\times 5^3\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:267

約数の個数: 64

約数和(自身を含む): 33274800

約数和(自身を除く): 19301800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 89, 100, 125, 157, 178, 200, 250, 314, 356, 445, 500, 628, 712, 785, 890, 1000, 1256, 1570, 1780, 2225, 3140, 3560, 3925, 4450, 6280, 7850, 8900, 11125, 13973, 15700, 17800, 19625, 22250, 27946, 31400, 39250, 44500, 55892, 69865, 78500, 89000, 111784, 139730, 157000, 279460, 349325, 558920, 698650, 1397300, 1746625, 2794600, 3493250, 6986500, 13973000]

約数ペア:

[(1, 13973000), (2, 6986500), (4, 3493250), (5, 2794600), (8, 1746625), (10, 1397300), (20, 698650), (25, 558920), (40, 349325), (50, 279460), (89, 157000), (100, 139730), (125, 111784), (157, 89000), (178, 78500), (200, 69865), (250, 55892), (314, 44500), (356, 39250), (445, 31400), (500, 27946), (628, 22250), (712, 19625), (785, 17800), (890, 15700), (1000, 13973), (1256, 11125), (1570, 8900), (1780, 7850), (2225, 6280), (3140, 4450), (3560, 3925)]