258947920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{331}}^1$

素因数の和:489

約数の個数: 160

約数和(自身を含む): 758808576

約数和(自身を除く): 499860656

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 127, 140, 154, 176, 220, 254, 280, 308, 331, 385, 440, 508, 560, 616, 635, 662, 770, 880, 889, 1016, 1232, 1270, 1324, 1397, 1540, 1655, 1778, 2032, 2317, 2540, 2648, 2794, 3080, 3310, 3556, 3641, 4445, 4634, 5080, 5296, 5588, 6160, 6620, 6985, 7112, 7282, 8890, 9268, 9779, 10160, 11176, 11585, 13240, 13970, 14224, 14564, 17780, 18205, 18536, 19558, 22352, 23170, 25487, 26480, 27940, 29128, 35560, 36410, 37072, 39116, 42037, 46340, 48895, 50974, 55880, 58256, 71120, 72820, 78232, 84074, 92680, 97790, 101948, 111760, 127435, 145640, 156464, 168148, 185360, 195580, 203896, 210185, 254870, 291280, 294259, 336296, 391160, 407792, 420370, 462407, 509740, 588518, 672592, 782320, 840740, 924814, 1019480, 1177036, 1471295, 1681480, 1849628, 2038960, 2312035, 2354072, 2942590, 3236849, 3362960, 3699256, 4624070, 4708144, 5885180, 6473698, 7398512, 9248140, 11770360, 12947396, 16184245, 18496280, 23540720, 25894792, 32368490, 36992560, 51789584, 64736980, 129473960, 258947920]

約数ペア:

[(1, 258947920), (2, 129473960), (4, 64736980), (5, 51789584), (7, 36992560), (8, 32368490), (10, 25894792), (11, 23540720), (14, 18496280), (16, 16184245), (20, 12947396), (22, 11770360), (28, 9248140), (35, 7398512), (40, 6473698), (44, 5885180), (55, 4708144), (56, 4624070), (70, 3699256), (77, 3362960), (80, 3236849), (88, 2942590), (110, 2354072), (112, 2312035), (127, 2038960), (140, 1849628), (154, 1681480), (176, 1471295), (220, 1177036), (254, 1019480), (280, 924814), (308, 840740), (331, 782320), (385, 672592), (440, 588518), (508, 509740), (560, 462407), (616, 420370), (635, 407792), (662, 391160), (770, 336296), (880, 294259), (889, 291280), (1016, 254870), (1232, 210185), (1270, 203896), (1324, 195580), (1397, 185360), (1540, 168148), (1655, 156464), (1778, 145640), (2032, 127435), (2317, 111760), (2540, 101948), (2648, 97790), (2794, 92680), (3080, 84074), (3310, 78232), (3556, 72820), (3641, 71120), (4445, 58256), (4634, 55880), (5080, 50974), (5296, 48895), (5588, 46340), (6160, 42037), (6620, 39116), (6985, 37072), (7112, 36410), (7282, 35560), (8890, 29128), (9268, 27940), (9779, 26480), (10160, 25487), (11176, 23170), (11585, 22352), (13240, 19558), (13970, 18536), (14224, 18205), (14564, 17780)]