2877889960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{2089}}^1$

素因数の和:2243

約数の個数: 128

約数和(自身を含む): 7367500800

約数和(自身を除く): 4489610840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 101, 110, 124, 155, 202, 220, 248, 310, 341, 404, 440, 505, 620, 682, 808, 1010, 1111, 1240, 1364, 1705, 2020, 2089, 2222, 2728, 3131, 3410, 4040, 4178, 4444, 5555, 6262, 6820, 8356, 8888, 10445, 11110, 12524, 13640, 15655, 16712, 20890, 22220, 22979, 25048, 31310, 34441, 41780, 44440, 45958, 62620, 64759, 68882, 83560, 91916, 114895, 125240, 129518, 137764, 172205, 183832, 210989, 229790, 259036, 275528, 323795, 344410, 421978, 459580, 518072, 647590, 688820, 712349, 843956, 919160, 1054945, 1295180, 1377640, 1424698, 1687912, 2109890, 2320879, 2590360, 2849396, 3561745, 4219780, 4641758, 5698792, 6540659, 7123490, 8439560, 9283516, 11604395, 13081318, 14246980, 18567032, 23208790, 26162636, 28493960, 32703295, 46417580, 52325272, 65406590, 71947249, 92835160, 130813180, 143894498, 261626360, 287788996, 359736245, 575577992, 719472490, 1438944980, 2877889960]

約数ペア:

[(1, 2877889960), (2, 1438944980), (4, 719472490), (5, 575577992), (8, 359736245), (10, 287788996), (11, 261626360), (20, 143894498), (22, 130813180), (31, 92835160), (40, 71947249), (44, 65406590), (55, 52325272), (62, 46417580), (88, 32703295), (101, 28493960), (110, 26162636), (124, 23208790), (155, 18567032), (202, 14246980), (220, 13081318), (248, 11604395), (310, 9283516), (341, 8439560), (404, 7123490), (440, 6540659), (505, 5698792), (620, 4641758), (682, 4219780), (808, 3561745), (1010, 2849396), (1111, 2590360), (1240, 2320879), (1364, 2109890), (1705, 1687912), (2020, 1424698), (2089, 1377640), (2222, 1295180), (2728, 1054945), (3131, 919160), (3410, 843956), (4040, 712349), (4178, 688820), (4444, 647590), (5555, 518072), (6262, 459580), (6820, 421978), (8356, 344410), (8888, 323795), (10445, 275528), (11110, 259036), (12524, 229790), (13640, 210989), (15655, 183832), (16712, 172205), (20890, 137764), (22220, 129518), (22979, 125240), (25048, 114895), (31310, 91916), (34441, 83560), (41780, 68882), (44440, 64759), (45958, 62620)]