1243000

素因数分解:

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

素因数の和:145

約数の個数: 64

約数和(自身を含む): 3201120

約数和(自身を除く): 1958120

約数列:

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

約数ペア:

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