19698700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{263}}^1$

素因数の和:391

約数の個数: 72

約数和(自身を含む): 49496832

約数和(自身を除く): 29798132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 107, 140, 175, 214, 263, 350, 428, 526, 535, 700, 749, 1052, 1070, 1315, 1498, 1841, 2140, 2630, 2675, 2996, 3682, 3745, 5260, 5350, 6575, 7364, 7490, 9205, 10700, 13150, 14980, 18410, 18725, 26300, 28141, 36820, 37450, 46025, 56282, 74900, 92050, 112564, 140705, 184100, 196987, 281410, 393974, 562820, 703525, 787948, 984935, 1407050, 1969870, 2814100, 3939740, 4924675, 9849350, 19698700]

約数ペア:

[(1, 19698700), (2, 9849350), (4, 4924675), (5, 3939740), (7, 2814100), (10, 1969870), (14, 1407050), (20, 984935), (25, 787948), (28, 703525), (35, 562820), (50, 393974), (70, 281410), (100, 196987), (107, 184100), (140, 140705), (175, 112564), (214, 92050), (263, 74900), (350, 56282), (428, 46025), (526, 37450), (535, 36820), (700, 28141), (749, 26300), (1052, 18725), (1070, 18410), (1315, 14980), (1498, 13150), (1841, 10700), (2140, 9205), (2630, 7490), (2675, 7364), (2996, 6575), (3682, 5350), (3745, 5260)]