2486000

素因数分解:

$2^4\times 5^3\times {\mathrm{11}}^1\times {\mathrm{113}}^1$

素因数の和:147

約数の個数: 80

約数和(自身を含む): 6615648

約数和(自身を除く): 4129648

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 113, 125, 176, 200, 220, 226, 250, 275, 400, 440, 452, 500, 550, 565, 880, 904, 1000, 1100, 1130, 1243, 1375, 1808, 2000, 2200, 2260, 2486, 2750, 2825, 4400, 4520, 4972, 5500, 5650, 6215, 9040, 9944, 11000, 11300, 12430, 14125, 19888, 22000, 22600, 24860, 28250, 31075, 45200, 49720, 56500, 62150, 99440, 113000, 124300, 155375, 226000, 248600, 310750, 497200, 621500, 1243000, 2486000]

約数ペア:

[(1, 2486000), (2, 1243000), (4, 621500), (5, 497200), (8, 310750), (10, 248600), (11, 226000), (16, 155375), (20, 124300), (22, 113000), (25, 99440), (40, 62150), (44, 56500), (50, 49720), (55, 45200), (80, 31075), (88, 28250), (100, 24860), (110, 22600), (113, 22000), (125, 19888), (176, 14125), (200, 12430), (220, 11300), (226, 11000), (250, 9944), (275, 9040), (400, 6215), (440, 5650), (452, 5500), (500, 4972), (550, 4520), (565, 4400), (880, 2825), (904, 2750), (1000, 2486), (1100, 2260), (1130, 2200), (1243, 2000), (1375, 1808)]