30965000

素因数分解:

$2^3\times 5^4\times {\mathrm{11}}^1\times {\mathrm{563}}^1$

素因数の和:600

約数の個数: 80

約数和(自身を含む): 79287120

約数和(自身を除く): 48322120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 125, 200, 220, 250, 275, 440, 500, 550, 563, 625, 1000, 1100, 1126, 1250, 1375, 2200, 2252, 2500, 2750, 2815, 4504, 5000, 5500, 5630, 6193, 6875, 11000, 11260, 12386, 13750, 14075, 22520, 24772, 27500, 28150, 30965, 49544, 55000, 56300, 61930, 70375, 112600, 123860, 140750, 154825, 247720, 281500, 309650, 351875, 563000, 619300, 703750, 774125, 1238600, 1407500, 1548250, 2815000, 3096500, 3870625, 6193000, 7741250, 15482500, 30965000]

約数ペア:

[(1, 30965000), (2, 15482500), (4, 7741250), (5, 6193000), (8, 3870625), (10, 3096500), (11, 2815000), (20, 1548250), (22, 1407500), (25, 1238600), (40, 774125), (44, 703750), (50, 619300), (55, 563000), (88, 351875), (100, 309650), (110, 281500), (125, 247720), (200, 154825), (220, 140750), (250, 123860), (275, 112600), (440, 70375), (500, 61930), (550, 56300), (563, 55000), (625, 49544), (1000, 30965), (1100, 28150), (1126, 27500), (1250, 24772), (1375, 22520), (2200, 14075), (2252, 13750), (2500, 12386), (2750, 11260), (2815, 11000), (4504, 6875), (5000, 6193), (5500, 5630)]