2003014420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{102299}}^1$

素因数の和:102408

約数の個数: 48

約数和(自身を含む): 4640328000

約数和(自身を除く): 2637313580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 178, 220, 356, 445, 890, 979, 1780, 1958, 3916, 4895, 9790, 19580, 102299, 204598, 409196, 511495, 1022990, 1125289, 2045980, 2250578, 4501156, 5626445, 9104611, 11252890, 18209222, 22505780, 36418444, 45523055, 91046110, 100150721, 182092220, 200301442, 400602884, 500753605, 1001507210, 2003014420]

約数ペア:

[(1, 2003014420), (2, 1001507210), (4, 500753605), (5, 400602884), (10, 200301442), (11, 182092220), (20, 100150721), (22, 91046110), (44, 45523055), (55, 36418444), (89, 22505780), (110, 18209222), (178, 11252890), (220, 9104611), (356, 5626445), (445, 4501156), (890, 2250578), (979, 2045980), (1780, 1125289), (1958, 1022990), (3916, 511495), (4895, 409196), (9790, 204598), (19580, 102299)]