28213300

素因数分解:

$2^2\times 5^2\times {\mathrm{307}}^1\times {\mathrm{919}}^1$

素因数の和:1240

約数の個数: 36

約数和(自身を含む): 61489120

約数和(自身を除く): 33275820

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 307, 614, 919, 1228, 1535, 1838, 3070, 3676, 4595, 6140, 7675, 9190, 15350, 18380, 22975, 30700, 45950, 91900, 282133, 564266, 1128532, 1410665, 2821330, 5642660, 7053325, 14106650, 28213300]

約数ペア:

[(1, 28213300), (2, 14106650), (4, 7053325), (5, 5642660), (10, 2821330), (20, 1410665), (25, 1128532), (50, 564266), (100, 282133), (307, 91900), (614, 45950), (919, 30700), (1228, 22975), (1535, 18380), (1838, 15350), (3070, 9190), (3676, 7675), (4595, 6140)]