8145025

素因数分解:

$5^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:194

約数の個数: 36

約数和(自身を含む): 12050940

約数和(自身を除く): 3905915

約数列:

[1, 5, 7, 25, 35, 49, 61, 109, 175, 245, 305, 427, 545, 763, 1225, 1525, 2135, 2725, 2989, 3815, 5341, 6649, 10675, 14945, 19075, 26705, 33245, 46543, 74725, 133525, 166225, 232715, 325801, 1163575, 1629005, 8145025]

約数ペア:

[(1, 8145025), (5, 1629005), (7, 1163575), (25, 325801), (35, 232715), (49, 166225), (61, 133525), (109, 74725), (175, 46543), (245, 33245), (305, 26705), (427, 19075), (545, 14945), (763, 10675), (1225, 6649), (1525, 5341), (2135, 3815), (2725, 2989)]