2011625

素因数分解:

$5^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1$

素因数の和:63

約数の個数: 48

約数和(自身を含む): 3319680

約数和(自身を除く): 1308055

約数列:

[1, 5, 7, 11, 19, 25, 35, 55, 77, 95, 121, 125, 133, 175, 209, 275, 385, 475, 605, 665, 847, 875, 1045, 1375, 1463, 1925, 2299, 2375, 3025, 3325, 4235, 5225, 7315, 9625, 11495, 15125, 16093, 16625, 21175, 26125, 36575, 57475, 80465, 105875, 182875, 287375, 402325, 2011625]

約数ペア:

[(1, 2011625), (5, 402325), (7, 287375), (11, 182875), (19, 105875), (25, 80465), (35, 57475), (55, 36575), (77, 26125), (95, 21175), (121, 16625), (125, 16093), (133, 15125), (175, 11495), (209, 9625), (275, 7315), (385, 5225), (475, 4235), (605, 3325), (665, 3025), (847, 2375), (875, 2299), (1045, 1925), (1375, 1463)]