24971900

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:231

約数の個数: 72

約数和(自身を含む): 57288000

約数和(自身を除く): 32316100

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 79, 100, 109, 116, 145, 158, 218, 290, 316, 395, 436, 545, 580, 725, 790, 1090, 1450, 1580, 1975, 2180, 2291, 2725, 2900, 3161, 3950, 4582, 5450, 6322, 7900, 8611, 9164, 10900, 11455, 12644, 15805, 17222, 22910, 31610, 34444, 43055, 45820, 57275, 63220, 79025, 86110, 114550, 158050, 172220, 215275, 229100, 249719, 316100, 430550, 499438, 861100, 998876, 1248595, 2497190, 4994380, 6242975, 12485950, 24971900]

約数ペア:

[(1, 24971900), (2, 12485950), (4, 6242975), (5, 4994380), (10, 2497190), (20, 1248595), (25, 998876), (29, 861100), (50, 499438), (58, 430550), (79, 316100), (100, 249719), (109, 229100), (116, 215275), (145, 172220), (158, 158050), (218, 114550), (290, 86110), (316, 79025), (395, 63220), (436, 57275), (545, 45820), (580, 43055), (725, 34444), (790, 31610), (1090, 22910), (1450, 17222), (1580, 15805), (1975, 12644), (2180, 11455), (2291, 10900), (2725, 9164), (2900, 8611), (3161, 7900), (3950, 6322), (4582, 5450)]