64227790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{389}}^1$

素因数の和:505

約数の個数: 64

約数和(自身を含む): 134784000

約数和(自身を除く): 70556210

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 79, 95, 110, 158, 190, 209, 389, 395, 418, 778, 790, 869, 1045, 1501, 1738, 1945, 2090, 3002, 3890, 4279, 4345, 7391, 7505, 8558, 8690, 14782, 15010, 16511, 21395, 30731, 33022, 36955, 42790, 61462, 73910, 81301, 82555, 153655, 162602, 165110, 307310, 338041, 406505, 583889, 676082, 813010, 1167778, 1690205, 2919445, 3380410, 5838890, 6422779, 12845558, 32113895, 64227790]

約数ペア:

[(1, 64227790), (2, 32113895), (5, 12845558), (10, 6422779), (11, 5838890), (19, 3380410), (22, 2919445), (38, 1690205), (55, 1167778), (79, 813010), (95, 676082), (110, 583889), (158, 406505), (190, 338041), (209, 307310), (389, 165110), (395, 162602), (418, 153655), (778, 82555), (790, 81301), (869, 73910), (1045, 61462), (1501, 42790), (1738, 36955), (1945, 33022), (2090, 30731), (3002, 21395), (3890, 16511), (4279, 15010), (4345, 14782), (7391, 8690), (7505, 8558)]