7828700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{647}}^1$

素因数の和:683

約数の個数: 54

約数和(自身を含む): 18701928

約数和(自身を除く): 10873228

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 121, 220, 242, 275, 484, 550, 605, 647, 1100, 1210, 1294, 2420, 2588, 3025, 3235, 6050, 6470, 7117, 12100, 12940, 14234, 16175, 28468, 32350, 35585, 64700, 71170, 78287, 142340, 156574, 177925, 313148, 355850, 391435, 711700, 782870, 1565740, 1957175, 3914350, 7828700]

約数ペア:

[(1, 7828700), (2, 3914350), (4, 1957175), (5, 1565740), (10, 782870), (11, 711700), (20, 391435), (22, 355850), (25, 313148), (44, 177925), (50, 156574), (55, 142340), (100, 78287), (110, 71170), (121, 64700), (220, 35585), (242, 32350), (275, 28468), (484, 16175), (550, 14234), (605, 12940), (647, 12100), (1100, 7117), (1210, 6470), (1294, 6050), (2420, 3235), (2588, 3025)]