489604100

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{857}}^1$

素因数の和:1097

約数の個数: 72

約数和(自身を含む): 1105944840

約数和(自身を除く): 616340740

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 197, 290, 394, 580, 725, 788, 857, 985, 1450, 1714, 1970, 2900, 3428, 3940, 4285, 4925, 5713, 8570, 9850, 11426, 17140, 19700, 21425, 22852, 24853, 28565, 42850, 49706, 57130, 85700, 99412, 114260, 124265, 142825, 168829, 248530, 285650, 337658, 497060, 571300, 621325, 675316, 844145, 1242650, 1688290, 2485300, 3376580, 4220725, 4896041, 8441450, 9792082, 16882900, 19584164, 24480205, 48960410, 97920820, 122401025, 244802050, 489604100]

約数ペア:

[(1, 489604100), (2, 244802050), (4, 122401025), (5, 97920820), (10, 48960410), (20, 24480205), (25, 19584164), (29, 16882900), (50, 9792082), (58, 8441450), (100, 4896041), (116, 4220725), (145, 3376580), (197, 2485300), (290, 1688290), (394, 1242650), (580, 844145), (725, 675316), (788, 621325), (857, 571300), (985, 497060), (1450, 337658), (1714, 285650), (1970, 248530), (2900, 168829), (3428, 142825), (3940, 124265), (4285, 114260), (4925, 99412), (5713, 85700), (8570, 57130), (9850, 49706), (11426, 42850), (17140, 28565), (19700, 24853), (21425, 22852)]