8999100

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1$

素因数の和:138

約数の個数: 180

約数和(自身を含む): 32138568

約数和(自身を除く): 23139468

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 25, 27, 30, 33, 36, 44, 45, 50, 54, 55, 60, 66, 75, 81, 90, 99, 100, 101, 108, 110, 132, 135, 150, 162, 165, 180, 198, 202, 220, 225, 270, 275, 297, 300, 303, 324, 330, 396, 404, 405, 450, 495, 505, 540, 550, 594, 606, 660, 675, 810, 825, 891, 900, 909, 990, 1010, 1100, 1111, 1188, 1212, 1350, 1485, 1515, 1620, 1650, 1782, 1818, 1980, 2020, 2025, 2222, 2475, 2525, 2700, 2727, 2970, 3030, 3300, 3333, 3564, 3636, 4050, 4444, 4455, 4545, 4950, 5050, 5454, 5555, 5940, 6060, 6666, 7425, 7575, 8100, 8181, 8910, 9090, 9900, 9999, 10100, 10908, 11110, 13332, 13635, 14850, 15150, 16362, 16665, 17820, 18180, 19998, 22220, 22275, 22725, 27270, 27775, 29700, 29997, 30300, 32724, 33330, 39996, 40905, 44550, 45450, 49995, 54540, 55550, 59994, 66660, 68175, 81810, 83325, 89100, 89991, 90900, 99990, 111100, 119988, 136350, 149985, 163620, 166650, 179982, 199980, 204525, 249975, 272700, 299970, 333300, 359964, 409050, 449955, 499950, 599940, 749925, 818100, 899910, 999900, 1499850, 1799820, 2249775, 2999700, 4499550, 8999100]

約数ペア:

[(1, 8999100), (2, 4499550), (3, 2999700), (4, 2249775), (5, 1799820), (6, 1499850), (9, 999900), (10, 899910), (11, 818100), (12, 749925), (15, 599940), (18, 499950), (20, 449955), (22, 409050), (25, 359964), (27, 333300), (30, 299970), (33, 272700), (36, 249975), (44, 204525), (45, 199980), (50, 179982), (54, 166650), (55, 163620), (60, 149985), (66, 136350), (75, 119988), (81, 111100), (90, 99990), (99, 90900), (100, 89991), (101, 89100), (108, 83325), (110, 81810), (132, 68175), (135, 66660), (150, 59994), (162, 55550), (165, 54540), (180, 49995), (198, 45450), (202, 44550), (220, 40905), (225, 39996), (270, 33330), (275, 32724), (297, 30300), (300, 29997), (303, 29700), (324, 27775), (330, 27270), (396, 22725), (404, 22275), (405, 22220), (450, 19998), (495, 18180), (505, 17820), (540, 16665), (550, 16362), (594, 15150), (606, 14850), (660, 13635), (675, 13332), (810, 11110), (825, 10908), (891, 10100), (900, 9999), (909, 9900), (990, 9090), (1010, 8910), (1100, 8181), (1111, 8100), (1188, 7575), (1212, 7425), (1350, 6666), (1485, 6060), (1515, 5940), (1620, 5555), (1650, 5454), (1782, 5050), (1818, 4950), (1980, 4545), (2020, 4455), (2025, 4444), (2222, 4050), (2475, 3636), (2525, 3564), (2700, 3333), (2727, 3300), (2970, 3030)]