420183874

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{271}}^1$

素因数の和:487

約数の個数: 48

約数和(自身を含む): 716284800

約数和(自身を除く): 296100926

約数列:

[1, 2, 11, 22, 43, 86, 121, 149, 242, 271, 298, 473, 542, 946, 1639, 2981, 3278, 5203, 5962, 6407, 10406, 11653, 12814, 18029, 23306, 32791, 36058, 40379, 65582, 70477, 80758, 128183, 140954, 256366, 444169, 775247, 888338, 1410013, 1550494, 1736297, 2820026, 3472594, 4885859, 9771718, 19099267, 38198534, 210091937, 420183874]

約数ペア:

[(1, 420183874), (2, 210091937), (11, 38198534), (22, 19099267), (43, 9771718), (86, 4885859), (121, 3472594), (149, 2820026), (242, 1736297), (271, 1550494), (298, 1410013), (473, 888338), (542, 775247), (946, 444169), (1639, 256366), (2981, 140954), (3278, 128183), (5203, 80758), (5962, 70477), (6407, 65582), (10406, 40379), (11653, 36058), (12814, 32791), (18029, 23306)]