28764700

素因数分解:

$2^2\times 5^2\times {\mathrm{313}}^1\times {\mathrm{919}}^1$

素因数の和:1246

約数の個数: 36

約数和(自身を含む): 62686960

約数和(自身を除く): 33922260

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 313, 626, 919, 1252, 1565, 1838, 3130, 3676, 4595, 6260, 7825, 9190, 15650, 18380, 22975, 31300, 45950, 91900, 287647, 575294, 1150588, 1438235, 2876470, 5752940, 7191175, 14382350, 28764700]

約数ペア:

[(1, 28764700), (2, 14382350), (4, 7191175), (5, 5752940), (10, 2876470), (20, 1438235), (25, 1150588), (50, 575294), (100, 287647), (313, 91900), (626, 45950), (919, 31300), (1252, 22975), (1565, 18380), (1838, 15650), (3130, 9190), (3676, 7825), (4595, 6260)]