42962500

素因数分解:

$2^2\times 5^5\times 7^1\times {\mathrm{491}}^1$

素因数の和:527

約数の個数: 72

約数和(自身を含む): 107618112

約数和(自身を除く): 64655612

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 491, 500, 625, 700, 875, 982, 1250, 1750, 1964, 2455, 2500, 3125, 3437, 3500, 4375, 4910, 6250, 6874, 8750, 9820, 12275, 12500, 13748, 17185, 17500, 21875, 24550, 34370, 43750, 49100, 61375, 68740, 85925, 87500, 122750, 171850, 245500, 306875, 343700, 429625, 613750, 859250, 1227500, 1534375, 1718500, 2148125, 3068750, 4296250, 6137500, 8592500, 10740625, 21481250, 42962500]

約数ペア:

[(1, 42962500), (2, 21481250), (4, 10740625), (5, 8592500), (7, 6137500), (10, 4296250), (14, 3068750), (20, 2148125), (25, 1718500), (28, 1534375), (35, 1227500), (50, 859250), (70, 613750), (100, 429625), (125, 343700), (140, 306875), (175, 245500), (250, 171850), (350, 122750), (491, 87500), (500, 85925), (625, 68740), (700, 61375), (875, 49100), (982, 43750), (1250, 34370), (1750, 24550), (1964, 21875), (2455, 17500), (2500, 17185), (3125, 13748), (3437, 12500), (3500, 12275), (4375, 9820), (4910, 8750), (6250, 6874)]