291223306075

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1009}}^1\times {\mathrm{1087}}^1$

素因数の和:2181

約数の個数: 96

約数和(自身を含む): 419684249600

約数和(自身を除く): 128460943525

約数列:

[1, 5, 13, 19, 25, 43, 65, 95, 215, 247, 325, 475, 559, 817, 1009, 1075, 1087, 1235, 2795, 4085, 5045, 5435, 6175, 10621, 13117, 13975, 14131, 19171, 20425, 20653, 25225, 27175, 43387, 46741, 53105, 65585, 70655, 95855, 103265, 216935, 233705, 249223, 265525, 268489, 327925, 353275, 479275, 516325, 564031, 607633, 824353, 888079, 1084675, 1096783, 1168525, 1246115, 1342445, 2820155, 3038165, 4121765, 4440395, 5483915, 6230575, 6712225, 10716589, 11545027, 14100775, 14258179, 15190825, 20608825, 20838877, 22201975, 27419575, 47161669, 53582945, 57725135, 71290895, 104194385, 235808345, 267914725, 270905401, 288625675, 356454475, 520971925, 613101697, 896071711, 1179041725, 1354527005, 3065508485, 4480358555, 6772635025, 11648932243, 15327542425, 22401792775, 58244661215, 291223306075]

約数ペア:

[(1, 291223306075), (5, 58244661215), (13, 22401792775), (19, 15327542425), (25, 11648932243), (43, 6772635025), (65, 4480358555), (95, 3065508485), (215, 1354527005), (247, 1179041725), (325, 896071711), (475, 613101697), (559, 520971925), (817, 356454475), (1009, 288625675), (1075, 270905401), (1087, 267914725), (1235, 235808345), (2795, 104194385), (4085, 71290895), (5045, 57725135), (5435, 53582945), (6175, 47161669), (10621, 27419575), (13117, 22201975), (13975, 20838877), (14131, 20608825), (19171, 15190825), (20425, 14258179), (20653, 14100775), (25225, 11545027), (27175, 10716589), (43387, 6712225), (46741, 6230575), (53105, 5483915), (65585, 4440395), (70655, 4121765), (95855, 3038165), (103265, 2820155), (216935, 1342445), (233705, 1246115), (249223, 1168525), (265525, 1096783), (268489, 1084675), (327925, 888079), (353275, 824353), (479275, 607633), (516325, 564031)]