4999500

素因数分解:

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

素因数の和:137

約数の個数: 144

約数和(自身を含む): 17375904

約数和(自身を除く): 12376404

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 25, 30, 33, 36, 44, 45, 50, 55, 60, 66, 75, 90, 99, 100, 101, 110, 125, 132, 150, 165, 180, 198, 202, 220, 225, 250, 275, 300, 303, 330, 375, 396, 404, 450, 495, 500, 505, 550, 606, 660, 750, 825, 900, 909, 990, 1010, 1100, 1111, 1125, 1212, 1375, 1500, 1515, 1650, 1818, 1980, 2020, 2222, 2250, 2475, 2525, 2750, 3030, 3300, 3333, 3636, 4125, 4444, 4500, 4545, 4950, 5050, 5500, 5555, 6060, 6666, 7575, 8250, 9090, 9900, 9999, 10100, 11110, 12375, 12625, 13332, 15150, 16500, 16665, 18180, 19998, 22220, 22725, 24750, 25250, 27775, 30300, 33330, 37875, 39996, 45450, 49500, 49995, 50500, 55550, 66660, 75750, 83325, 90900, 99990, 111100, 113625, 138875, 151500, 166650, 199980, 227250, 249975, 277750, 333300, 416625, 454500, 499950, 555500, 833250, 999900, 1249875, 1666500, 2499750, 4999500]

約数ペア:

[(1, 4999500), (2, 2499750), (3, 1666500), (4, 1249875), (5, 999900), (6, 833250), (9, 555500), (10, 499950), (11, 454500), (12, 416625), (15, 333300), (18, 277750), (20, 249975), (22, 227250), (25, 199980), (30, 166650), (33, 151500), (36, 138875), (44, 113625), (45, 111100), (50, 99990), (55, 90900), (60, 83325), (66, 75750), (75, 66660), (90, 55550), (99, 50500), (100, 49995), (101, 49500), (110, 45450), (125, 39996), (132, 37875), (150, 33330), (165, 30300), (180, 27775), (198, 25250), (202, 24750), (220, 22725), (225, 22220), (250, 19998), (275, 18180), (300, 16665), (303, 16500), (330, 15150), (375, 13332), (396, 12625), (404, 12375), (450, 11110), (495, 10100), (500, 9999), (505, 9900), (550, 9090), (606, 8250), (660, 7575), (750, 6666), (825, 6060), (900, 5555), (909, 5500), (990, 5050), (1010, 4950), (1100, 4545), (1111, 4500), (1125, 4444), (1212, 4125), (1375, 3636), (1500, 3333), (1515, 3300), (1650, 3030), (1818, 2750), (1980, 2525), (2020, 2475), (2222, 2250)]