22890725

素因数分解:

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

素因数の和:390

約数の個数: 48

約数和(自身を含む): 35206080

約数和(自身を除く): 12315355

約数列:

[1, 5, 11, 13, 19, 25, 55, 65, 95, 143, 209, 247, 275, 325, 337, 475, 715, 1045, 1235, 1685, 2717, 3575, 3707, 4381, 5225, 6175, 6403, 8425, 13585, 18535, 21905, 32015, 48191, 67925, 70433, 83239, 92675, 109525, 160075, 240955, 352165, 416195, 915629, 1204775, 1760825, 2080975, 4578145, 22890725]

約数ペア:

[(1, 22890725), (5, 4578145), (11, 2080975), (13, 1760825), (19, 1204775), (25, 915629), (55, 416195), (65, 352165), (95, 240955), (143, 160075), (209, 109525), (247, 92675), (275, 83239), (325, 70433), (337, 67925), (475, 48191), (715, 32015), (1045, 21905), (1235, 18535), (1685, 13585), (2717, 8425), (3575, 6403), (3707, 6175), (4381, 5225)]