181818280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{5113}}^1$

素因数の和:5258

約数の個数: 64

約数和(自身を含む): 471306240

約数和(自身を除く): 289487960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 127, 140, 254, 280, 508, 635, 889, 1016, 1270, 1778, 2540, 3556, 4445, 5080, 5113, 7112, 8890, 10226, 17780, 20452, 25565, 35560, 35791, 40904, 51130, 71582, 102260, 143164, 178955, 204520, 286328, 357910, 649351, 715820, 1298702, 1431640, 2597404, 3246755, 4545457, 5194808, 6493510, 9090914, 12987020, 18181828, 22727285, 25974040, 36363656, 45454570, 90909140, 181818280]

約数ペア:

[(1, 181818280), (2, 90909140), (4, 45454570), (5, 36363656), (7, 25974040), (8, 22727285), (10, 18181828), (14, 12987020), (20, 9090914), (28, 6493510), (35, 5194808), (40, 4545457), (56, 3246755), (70, 2597404), (127, 1431640), (140, 1298702), (254, 715820), (280, 649351), (508, 357910), (635, 286328), (889, 204520), (1016, 178955), (1270, 143164), (1778, 102260), (2540, 71582), (3556, 51130), (4445, 40904), (5080, 35791), (5113, 35560), (7112, 25565), (8890, 20452), (10226, 17780)]