201811060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{937}}^1$

素因数の和:1057

約数の個数: 72

約数和(自身を含む): 471570120

約数和(自身を除く): 269759060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 121, 178, 220, 242, 356, 445, 484, 605, 890, 937, 979, 1210, 1780, 1874, 1958, 2420, 3748, 3916, 4685, 4895, 9370, 9790, 10307, 10769, 18740, 19580, 20614, 21538, 41228, 43076, 51535, 53845, 83393, 103070, 107690, 113377, 166786, 206140, 215380, 226754, 333572, 416965, 453508, 566885, 833930, 917323, 1133770, 1667860, 1834646, 2267540, 3669292, 4586615, 9173230, 10090553, 18346460, 20181106, 40362212, 50452765, 100905530, 201811060]

約数ペア:

[(1, 201811060), (2, 100905530), (4, 50452765), (5, 40362212), (10, 20181106), (11, 18346460), (20, 10090553), (22, 9173230), (44, 4586615), (55, 3669292), (89, 2267540), (110, 1834646), (121, 1667860), (178, 1133770), (220, 917323), (242, 833930), (356, 566885), (445, 453508), (484, 416965), (605, 333572), (890, 226754), (937, 215380), (979, 206140), (1210, 166786), (1780, 113377), (1874, 107690), (1958, 103070), (2420, 83393), (3748, 53845), (3916, 51535), (4685, 43076), (4895, 41228), (9370, 21538), (9790, 20614), (10307, 19580), (10769, 18740)]