78606820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{313}}^1\times {\mathrm{433}}^1$

素因数の和:784

約数の個数: 48

約数和(自身を含む): 171707760

約数和(自身を除く): 93100940

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 313, 433, 580, 626, 866, 1252, 1565, 1732, 2165, 3130, 4330, 6260, 8660, 9077, 12557, 18154, 25114, 36308, 45385, 50228, 62785, 90770, 125570, 135529, 181540, 251140, 271058, 542116, 677645, 1355290, 2710580, 3930341, 7860682, 15721364, 19651705, 39303410, 78606820]

約数ペア:

[(1, 78606820), (2, 39303410), (4, 19651705), (5, 15721364), (10, 7860682), (20, 3930341), (29, 2710580), (58, 1355290), (116, 677645), (145, 542116), (290, 271058), (313, 251140), (433, 181540), (580, 135529), (626, 125570), (866, 90770), (1252, 62785), (1565, 50228), (1732, 45385), (2165, 36308), (3130, 25114), (4330, 18154), (6260, 12557), (8660, 9077)]