209930280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{241}}^1$

素因数の和:340

約数の個数: 256

約数和(自身を含む): 777807360

約数和(自身を除く): 567877080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 51, 56, 60, 61, 68, 70, 84, 85, 102, 105, 119, 120, 122, 136, 140, 168, 170, 183, 204, 210, 238, 241, 244, 255, 280, 305, 340, 357, 366, 408, 420, 427, 476, 482, 488, 510, 595, 610, 680, 714, 723, 732, 840, 854, 915, 952, 964, 1020, 1037, 1190, 1205, 1220, 1281, 1428, 1446, 1464, 1687, 1708, 1785, 1830, 1928, 2040, 2074, 2135, 2380, 2410, 2440, 2562, 2856, 2892, 3111, 3374, 3416, 3570, 3615, 3660, 4097, 4148, 4270, 4760, 4820, 5061, 5124, 5185, 5784, 6222, 6405, 6748, 7140, 7230, 7259, 7320, 8194, 8296, 8435, 8540, 9640, 10122, 10248, 10370, 12291, 12444, 12810, 13496, 14280, 14460, 14518, 14701, 15555, 16388, 16870, 17080, 20244, 20485, 20740, 21777, 24582, 24888, 25305, 25620, 28679, 28920, 29036, 29402, 31110, 32776, 33740, 36295, 40488, 40970, 41480, 43554, 44103, 49164, 50610, 51240, 57358, 58072, 58804, 61455, 62220, 67480, 72590, 73505, 81940, 86037, 87108, 88206, 98328, 101220, 102907, 108885, 114716, 117608, 122910, 124440, 143395, 145180, 147010, 163880, 172074, 174216, 176412, 202440, 205814, 217770, 220515, 229432, 245820, 249917, 286790, 290360, 294020, 308721, 344148, 352824, 411628, 430185, 435540, 441030, 491640, 499834, 514535, 573580, 588040, 617442, 688296, 749751, 823256, 860370, 871080, 882060, 999668, 1029070, 1147160, 1234884, 1249585, 1499502, 1543605, 1720740, 1749419, 1764120, 1999336, 2058140, 2469768, 2499170, 2999004, 3087210, 3441480, 3498838, 3748755, 4116280, 4998340, 5248257, 5998008, 6174420, 6997676, 7497510, 8747095, 9996680, 10496514, 12348840, 13995352, 14995020, 17494190, 20993028, 26241285, 29990040, 34988380, 41986056, 52482570, 69976760, 104965140, 209930280]

約数ペア:

[(1, 209930280), (2, 104965140), (3, 69976760), (4, 52482570), (5, 41986056), (6, 34988380), (7, 29990040), (8, 26241285), (10, 20993028), (12, 17494190), (14, 14995020), (15, 13995352), (17, 12348840), (20, 10496514), (21, 9996680), (24, 8747095), (28, 7497510), (30, 6997676), (34, 6174420), (35, 5998008), (40, 5248257), (42, 4998340), (51, 4116280), (56, 3748755), (60, 3498838), (61, 3441480), (68, 3087210), (70, 2999004), (84, 2499170), (85, 2469768), (102, 2058140), (105, 1999336), (119, 1764120), (120, 1749419), (122, 1720740), (136, 1543605), (140, 1499502), (168, 1249585), (170, 1234884), (183, 1147160), (204, 1029070), (210, 999668), (238, 882060), (241, 871080), (244, 860370), (255, 823256), (280, 749751), (305, 688296), (340, 617442), (357, 588040), (366, 573580), (408, 514535), (420, 499834), (427, 491640), (476, 441030), (482, 435540), (488, 430185), (510, 411628), (595, 352824), (610, 344148), (680, 308721), (714, 294020), (723, 290360), (732, 286790), (840, 249917), (854, 245820), (915, 229432), (952, 220515), (964, 217770), (1020, 205814), (1037, 202440), (1190, 176412), (1205, 174216), (1220, 172074), (1281, 163880), (1428, 147010), (1446, 145180), (1464, 143395), (1687, 124440), (1708, 122910), (1785, 117608), (1830, 114716), (1928, 108885), (2040, 102907), (2074, 101220), (2135, 98328), (2380, 88206), (2410, 87108), (2440, 86037), (2562, 81940), (2856, 73505), (2892, 72590), (3111, 67480), (3374, 62220), (3416, 61455), (3570, 58804), (3615, 58072), (3660, 57358), (4097, 51240), (4148, 50610), (4270, 49164), (4760, 44103), (4820, 43554), (5061, 41480), (5124, 40970), (5185, 40488), (5784, 36295), (6222, 33740), (6405, 32776), (6748, 31110), (7140, 29402), (7230, 29036), (7259, 28920), (7320, 28679), (8194, 25620), (8296, 25305), (8435, 24888), (8540, 24582), (9640, 21777), (10122, 20740), (10248, 20485), (10370, 20244), (12291, 17080), (12444, 16870), (12810, 16388), (13496, 15555), (14280, 14701), (14460, 14518)]