2816275

素因数分解:

$5^2\times 7^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1$

素因数の和:65

約数の個数: 54

約数和(自身を含む): 4700220

約数和(自身を除く): 1883945

約数列:

[1, 5, 7, 11, 19, 25, 35, 49, 55, 77, 95, 121, 133, 175, 209, 245, 275, 385, 475, 539, 605, 665, 847, 931, 1045, 1225, 1463, 1925, 2299, 2695, 3025, 3325, 4235, 4655, 5225, 5929, 7315, 10241, 11495, 13475, 16093, 21175, 23275, 29645, 36575, 51205, 57475, 80465, 112651, 148225, 256025, 402325, 563255, 2816275]

約数ペア:

[(1, 2816275), (5, 563255), (7, 402325), (11, 256025), (19, 148225), (25, 112651), (35, 80465), (49, 57475), (55, 51205), (77, 36575), (95, 29645), (121, 23275), (133, 21175), (175, 16093), (209, 13475), (245, 11495), (275, 10241), (385, 7315), (475, 5929), (539, 5225), (605, 4655), (665, 4235), (847, 3325), (931, 3025), (1045, 2695), (1225, 2299), (1463, 1925)]