81925900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{117037}}^1$

素因数の和:117058

約数の個数: 36

約数和(自身を含む): 203177968

約数和(自身を除く): 121252068

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 117037, 234074, 468148, 585185, 819259, 1170370, 1638518, 2340740, 2925925, 3277036, 4096295, 5851850, 8192590, 11703700, 16385180, 20481475, 40962950, 81925900]

約数ペア:

[(1, 81925900), (2, 40962950), (4, 20481475), (5, 16385180), (7, 11703700), (10, 8192590), (14, 5851850), (20, 4096295), (25, 3277036), (28, 2925925), (35, 2340740), (50, 1638518), (70, 1170370), (100, 819259), (140, 585185), (175, 468148), (350, 234074), (700, 117037)]