125854900

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1$

素因数の和:361

約数の個数: 72

約数和(自身を含む): 281232000

約数和(自身を除く): 155377100

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 89, 100, 158, 178, 179, 316, 356, 358, 395, 445, 716, 790, 890, 895, 1580, 1780, 1790, 1975, 2225, 3580, 3950, 4450, 4475, 7031, 7900, 8900, 8950, 14062, 14141, 15931, 17900, 28124, 28282, 31862, 35155, 56564, 63724, 70310, 70705, 79655, 140620, 141410, 159310, 175775, 282820, 318620, 351550, 353525, 398275, 703100, 707050, 796550, 1258549, 1414100, 1593100, 2517098, 5034196, 6292745, 12585490, 25170980, 31463725, 62927450, 125854900]

約数ペア:

[(1, 125854900), (2, 62927450), (4, 31463725), (5, 25170980), (10, 12585490), (20, 6292745), (25, 5034196), (50, 2517098), (79, 1593100), (89, 1414100), (100, 1258549), (158, 796550), (178, 707050), (179, 703100), (316, 398275), (356, 353525), (358, 351550), (395, 318620), (445, 282820), (716, 175775), (790, 159310), (890, 141410), (895, 140620), (1580, 79655), (1780, 70705), (1790, 70310), (1975, 63724), (2225, 56564), (3580, 35155), (3950, 31862), (4450, 28282), (4475, 28124), (7031, 17900), (7900, 15931), (8900, 14141), (8950, 14062)]