39420500

素因数分解:

$2^2\times 5^3\times 7^2\times {\mathrm{1609}}^1$

素因数の和:1642

約数の個数: 72

約数和(自身を含む): 100212840

約数和(自身を除く): 60792340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 125, 140, 175, 196, 245, 250, 350, 490, 500, 700, 875, 980, 1225, 1609, 1750, 2450, 3218, 3500, 4900, 6125, 6436, 8045, 11263, 12250, 16090, 22526, 24500, 32180, 40225, 45052, 56315, 78841, 80450, 112630, 157682, 160900, 201125, 225260, 281575, 315364, 394205, 402250, 563150, 788410, 804500, 1126300, 1407875, 1576820, 1971025, 2815750, 3942050, 5631500, 7884100, 9855125, 19710250, 39420500]

約数ペア:

[(1, 39420500), (2, 19710250), (4, 9855125), (5, 7884100), (7, 5631500), (10, 3942050), (14, 2815750), (20, 1971025), (25, 1576820), (28, 1407875), (35, 1126300), (49, 804500), (50, 788410), (70, 563150), (98, 402250), (100, 394205), (125, 315364), (140, 281575), (175, 225260), (196, 201125), (245, 160900), (250, 157682), (350, 112630), (490, 80450), (500, 78841), (700, 56315), (875, 45052), (980, 40225), (1225, 32180), (1609, 24500), (1750, 22526), (2450, 16090), (3218, 12250), (3500, 11263), (4900, 8045), (6125, 6436)]