788335520

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{193}}^1\times {\mathrm{521}}^1$

素因数の和:743

約数の個数: 144

約数和(自身を含む): 2181920328

約数和(自身を除く): 1393584808

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 193, 196, 224, 245, 280, 386, 392, 490, 521, 560, 772, 784, 965, 980, 1042, 1120, 1351, 1544, 1568, 1930, 1960, 2084, 2605, 2702, 3088, 3647, 3860, 3920, 4168, 5210, 5404, 6176, 6755, 7294, 7720, 7840, 8336, 9457, 10420, 10808, 13510, 14588, 15440, 16672, 18235, 18914, 20840, 21616, 25529, 27020, 29176, 30880, 36470, 37828, 41680, 43232, 47285, 51058, 54040, 58352, 72940, 75656, 83360, 94570, 100553, 102116, 108080, 116704, 127645, 145880, 151312, 189140, 201106, 204232, 216160, 255290, 291760, 302624, 378280, 402212, 408464, 502765, 510580, 583520, 703871, 756560, 804424, 816928, 1005530, 1021160, 1407742, 1513120, 1608848, 2011060, 2042320, 2815484, 3217696, 3519355, 4022120, 4084640, 4927097, 5630968, 7038710, 8044240, 9854194, 11261936, 14077420, 16088480, 19708388, 22523872, 24635485, 28154840, 39416776, 49270970, 56309680, 78833552, 98541940, 112619360, 157667104, 197083880, 394167760, 788335520]

約数ペア:

[(1, 788335520), (2, 394167760), (4, 197083880), (5, 157667104), (7, 112619360), (8, 98541940), (10, 78833552), (14, 56309680), (16, 49270970), (20, 39416776), (28, 28154840), (32, 24635485), (35, 22523872), (40, 19708388), (49, 16088480), (56, 14077420), (70, 11261936), (80, 9854194), (98, 8044240), (112, 7038710), (140, 5630968), (160, 4927097), (193, 4084640), (196, 4022120), (224, 3519355), (245, 3217696), (280, 2815484), (386, 2042320), (392, 2011060), (490, 1608848), (521, 1513120), (560, 1407742), (772, 1021160), (784, 1005530), (965, 816928), (980, 804424), (1042, 756560), (1120, 703871), (1351, 583520), (1544, 510580), (1568, 502765), (1930, 408464), (1960, 402212), (2084, 378280), (2605, 302624), (2702, 291760), (3088, 255290), (3647, 216160), (3860, 204232), (3920, 201106), (4168, 189140), (5210, 151312), (5404, 145880), (6176, 127645), (6755, 116704), (7294, 108080), (7720, 102116), (7840, 100553), (8336, 94570), (9457, 83360), (10420, 75656), (10808, 72940), (13510, 58352), (14588, 54040), (15440, 51058), (16672, 47285), (18235, 43232), (18914, 41680), (20840, 37828), (21616, 36470), (25529, 30880), (27020, 29176)]