139605920

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^2\times {\mathrm{2417}}^1$

素因数の和:2470

約数の個数: 72

約数和(自身を含む): 348235524

約数和(自身を除く): 208629604

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 361, 380, 608, 722, 760, 1444, 1520, 1805, 2417, 2888, 3040, 3610, 4834, 5776, 7220, 9668, 11552, 12085, 14440, 19336, 24170, 28880, 38672, 45923, 48340, 57760, 77344, 91846, 96680, 183692, 193360, 229615, 367384, 386720, 459230, 734768, 872537, 918460, 1469536, 1745074, 1836920, 3490148, 3673840, 4362685, 6980296, 7347680, 8725370, 13960592, 17450740, 27921184, 34901480, 69802960, 139605920]

約数ペア:

[(1, 139605920), (2, 69802960), (4, 34901480), (5, 27921184), (8, 17450740), (10, 13960592), (16, 8725370), (19, 7347680), (20, 6980296), (32, 4362685), (38, 3673840), (40, 3490148), (76, 1836920), (80, 1745074), (95, 1469536), (152, 918460), (160, 872537), (190, 734768), (304, 459230), (361, 386720), (380, 367384), (608, 229615), (722, 193360), (760, 183692), (1444, 96680), (1520, 91846), (1805, 77344), (2417, 57760), (2888, 48340), (3040, 45923), (3610, 38672), (4834, 28880), (5776, 24170), (7220, 19336), (9668, 14440), (11552, 12085)]