4120900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{29}}^2$

素因数の和:86

約数の個数: 81

約数和(自身を含む): 10773399

約数和(自身を除く): 6652499

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 29, 35, 49, 50, 58, 70, 98, 100, 116, 140, 145, 175, 196, 203, 245, 290, 350, 406, 490, 580, 700, 725, 812, 841, 980, 1015, 1225, 1421, 1450, 1682, 2030, 2450, 2842, 2900, 3364, 4060, 4205, 4900, 5075, 5684, 5887, 7105, 8410, 10150, 11774, 14210, 16820, 20300, 21025, 23548, 28420, 29435, 35525, 41209, 42050, 58870, 71050, 82418, 84100, 117740, 142100, 147175, 164836, 206045, 294350, 412090, 588700, 824180, 1030225, 2060450, 4120900]

約数ペア:

[(1, 4120900), (2, 2060450), (4, 1030225), (5, 824180), (7, 588700), (10, 412090), (14, 294350), (20, 206045), (25, 164836), (28, 147175), (29, 142100), (35, 117740), (49, 84100), (50, 82418), (58, 71050), (70, 58870), (98, 42050), (100, 41209), (116, 35525), (140, 29435), (145, 28420), (175, 23548), (196, 21025), (203, 20300), (245, 16820), (290, 14210), (350, 11774), (406, 10150), (490, 8410), (580, 7105), (700, 5887), (725, 5684), (812, 5075), (841, 4900), (980, 4205), (1015, 4060), (1225, 3364), (1421, 2900), (1450, 2842), (1682, 2450)]