243774440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{347}}^1$

素因数の和:571

約数の個数: 128

約数和(自身を含む): 680520960

約数和(自身を除く): 436746520

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 193, 260, 280, 347, 364, 386, 455, 520, 694, 728, 772, 910, 965, 1351, 1388, 1544, 1735, 1820, 1930, 2429, 2509, 2702, 2776, 3470, 3640, 3860, 4511, 4858, 5018, 5404, 6755, 6940, 7720, 9022, 9716, 10036, 10808, 12145, 12545, 13510, 13880, 17563, 18044, 19432, 20072, 22555, 24290, 25090, 27020, 31577, 35126, 36088, 45110, 48580, 50180, 54040, 63154, 66971, 70252, 87815, 90220, 97160, 100360, 126308, 133942, 140504, 157885, 175630, 180440, 252616, 267884, 315770, 334855, 351260, 468797, 535768, 631540, 669710, 702520, 870623, 937594, 1263080, 1339420, 1741246, 1875188, 2343985, 2678840, 3482492, 3750376, 4353115, 4687970, 6094361, 6964984, 8706230, 9375940, 12188722, 17412460, 18751880, 24377444, 30471805, 34824920, 48754888, 60943610, 121887220, 243774440]

約数ペア:

[(1, 243774440), (2, 121887220), (4, 60943610), (5, 48754888), (7, 34824920), (8, 30471805), (10, 24377444), (13, 18751880), (14, 17412460), (20, 12188722), (26, 9375940), (28, 8706230), (35, 6964984), (40, 6094361), (52, 4687970), (56, 4353115), (65, 3750376), (70, 3482492), (91, 2678840), (104, 2343985), (130, 1875188), (140, 1741246), (182, 1339420), (193, 1263080), (260, 937594), (280, 870623), (347, 702520), (364, 669710), (386, 631540), (455, 535768), (520, 468797), (694, 351260), (728, 334855), (772, 315770), (910, 267884), (965, 252616), (1351, 180440), (1388, 175630), (1544, 157885), (1735, 140504), (1820, 133942), (1930, 126308), (2429, 100360), (2509, 97160), (2702, 90220), (2776, 87815), (3470, 70252), (3640, 66971), (3860, 63154), (4511, 54040), (4858, 50180), (5018, 48580), (5404, 45110), (6755, 36088), (6940, 35126), (7720, 31577), (9022, 27020), (9716, 25090), (10036, 24290), (10808, 22555), (12145, 20072), (12545, 19432), (13510, 18044), (13880, 17563)]