1258989875

素因数分解:

$5^3\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{337}}^1$

素因数の和:406

約数の個数: 96

約数和(自身を含む): 1963590720

約数和(自身を除く): 704600845

約数列:

[1, 5, 11, 13, 19, 25, 55, 65, 95, 121, 125, 143, 209, 247, 275, 325, 337, 475, 605, 715, 1045, 1235, 1375, 1573, 1625, 1685, 2299, 2375, 2717, 3025, 3575, 3707, 4381, 5225, 6175, 6403, 7865, 8425, 11495, 13585, 15125, 17875, 18535, 21905, 26125, 29887, 30875, 32015, 39325, 40777, 42125, 48191, 57475, 67925, 70433, 83239, 92675, 109525, 149435, 160075, 196625, 203885, 240955, 287375, 339625, 352165, 416195, 463375, 530101, 547625, 747175, 774763, 800375, 915629, 1019425, 1204775, 1760825, 2080975, 2650505, 3735875, 3873815, 4578145, 5097125, 6023875, 8804125, 10071919, 10404875, 13252525, 19369075, 22890725, 50359595, 66262625, 96845375, 114453625, 251797975, 1258989875]

約数ペア:

[(1, 1258989875), (5, 251797975), (11, 114453625), (13, 96845375), (19, 66262625), (25, 50359595), (55, 22890725), (65, 19369075), (95, 13252525), (121, 10404875), (125, 10071919), (143, 8804125), (209, 6023875), (247, 5097125), (275, 4578145), (325, 3873815), (337, 3735875), (475, 2650505), (605, 2080975), (715, 1760825), (1045, 1204775), (1235, 1019425), (1375, 915629), (1573, 800375), (1625, 774763), (1685, 747175), (2299, 547625), (2375, 530101), (2717, 463375), (3025, 416195), (3575, 352165), (3707, 339625), (4381, 287375), (5225, 240955), (6175, 203885), (6403, 196625), (7865, 160075), (8425, 149435), (11495, 109525), (13585, 92675), (15125, 83239), (17875, 70433), (18535, 67925), (21905, 57475), (26125, 48191), (29887, 42125), (30875, 40777), (32015, 39325)]