2155464025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{2441}}^1$

素因数の和:2507

約数の個数: 72

約数和(自身を含む): 3324831840

約数和(自身を除く): 1169367815

約数列:

[1, 5, 11, 13, 19, 25, 55, 65, 95, 143, 169, 209, 247, 275, 325, 475, 715, 845, 1045, 1235, 1859, 2441, 2717, 3211, 3575, 4225, 5225, 6175, 9295, 12205, 13585, 16055, 26851, 31733, 35321, 46379, 46475, 61025, 67925, 80275, 134255, 158665, 176605, 231895, 349063, 412529, 510169, 602927, 671275, 793325, 883025, 1159475, 1745315, 2062645, 2550845, 3014635, 4537819, 6632197, 7838051, 8726575, 10313225, 12754225, 15073175, 22689095, 33160985, 39190255, 86218561, 113445475, 165804925, 195951275, 431092805, 2155464025]

約数ペア:

[(1, 2155464025), (5, 431092805), (11, 195951275), (13, 165804925), (19, 113445475), (25, 86218561), (55, 39190255), (65, 33160985), (95, 22689095), (143, 15073175), (169, 12754225), (209, 10313225), (247, 8726575), (275, 7838051), (325, 6632197), (475, 4537819), (715, 3014635), (845, 2550845), (1045, 2062645), (1235, 1745315), (1859, 1159475), (2441, 883025), (2717, 793325), (3211, 671275), (3575, 602927), (4225, 510169), (5225, 412529), (6175, 349063), (9295, 231895), (12205, 176605), (13585, 158665), (16055, 134255), (26851, 80275), (31733, 67925), (35321, 61025), (46379, 46475)]