68013800

素因数分解:

$2^3\times 5^2\times {\mathrm{89}}^1\times {\mathrm{3821}}^1$

素因数の和:3926

約数の個数: 48

約数和(自身を含む): 159950700

約数和(自身を除く): 91936900

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 89, 100, 178, 200, 356, 445, 712, 890, 1780, 2225, 3560, 3821, 4450, 7642, 8900, 15284, 17800, 19105, 30568, 38210, 76420, 95525, 152840, 191050, 340069, 382100, 680138, 764200, 1360276, 1700345, 2720552, 3400690, 6801380, 8501725, 13602760, 17003450, 34006900, 68013800]

約数ペア:

[(1, 68013800), (2, 34006900), (4, 17003450), (5, 13602760), (8, 8501725), (10, 6801380), (20, 3400690), (25, 2720552), (40, 1700345), (50, 1360276), (89, 764200), (100, 680138), (178, 382100), (200, 340069), (356, 191050), (445, 152840), (712, 95525), (890, 76420), (1780, 38210), (2225, 30568), (3560, 19105), (3821, 17800), (4450, 15284), (7642, 8900)]