66940600

素因数分解:

$2^3\times 5^2\times {\mathrm{197}}^1\times {\mathrm{1699}}^1$

素因数の和:1912

約数の個数: 48

約数和(自身を含む): 156519000

約数和(自身を除く): 89578400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 197, 200, 394, 788, 985, 1576, 1699, 1970, 3398, 3940, 4925, 6796, 7880, 8495, 9850, 13592, 16990, 19700, 33980, 39400, 42475, 67960, 84950, 169900, 334703, 339800, 669406, 1338812, 1673515, 2677624, 3347030, 6694060, 8367575, 13388120, 16735150, 33470300, 66940600]

約数ペア:

[(1, 66940600), (2, 33470300), (4, 16735150), (5, 13388120), (8, 8367575), (10, 6694060), (20, 3347030), (25, 2677624), (40, 1673515), (50, 1338812), (100, 669406), (197, 339800), (200, 334703), (394, 169900), (788, 84950), (985, 67960), (1576, 42475), (1699, 39400), (1970, 33980), (3398, 19700), (3940, 16990), (4925, 13592), (6796, 9850), (7880, 8495)]