21179868500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1\times {\mathrm{647}}^1$

素因数の和:919

約数の個数: 192

約数和(自身を含む): 54344908800

約数和(自身を除く): 33165040300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 47, 50, 70, 94, 100, 125, 140, 175, 188, 199, 235, 250, 329, 350, 398, 470, 500, 647, 658, 700, 796, 875, 940, 995, 1175, 1294, 1316, 1393, 1645, 1750, 1990, 2350, 2588, 2786, 3235, 3290, 3500, 3980, 4529, 4700, 4975, 5572, 5875, 6470, 6580, 6965, 8225, 9058, 9353, 9950, 11750, 12940, 13930, 16175, 16450, 18116, 18706, 19900, 22645, 23500, 24875, 27860, 30409, 32350, 32900, 34825, 37412, 41125, 45290, 46765, 49750, 60818, 64700, 65471, 69650, 80875, 82250, 90580, 93530, 99500, 113225, 121636, 128753, 130942, 139300, 152045, 161750, 164500, 174125, 187060, 212863, 226450, 233825, 257506, 261884, 304090, 323500, 327355, 348250, 425726, 452900, 467650, 515012, 566125, 608180, 643765, 654710, 696500, 760225, 851452, 901271, 935300, 1064315, 1132250, 1169125, 1287530, 1309420, 1520450, 1636775, 1802542, 2128630, 2264500, 2338250, 2575060, 3040900, 3218825, 3273550, 3605084, 3801125, 4257260, 4506355, 4676500, 5321575, 6051391, 6437650, 6547100, 7602250, 8183875, 9012710, 10643150, 12102782, 12875300, 15204500, 16094125, 16367750, 18025420, 21286300, 22531775, 24205564, 26607875, 30256955, 32188250, 32735500, 42359737, 45063550, 53215750, 60513910, 64376500, 84719474, 90127100, 106431500, 112658875, 121027820, 151284775, 169438948, 211798685, 225317750, 302569550, 423597370, 450635500, 605139100, 756423875, 847194740, 1058993425, 1512847750, 2117986850, 3025695500, 4235973700, 5294967125, 10589934250, 21179868500]

約数ペア:

[(1, 21179868500), (2, 10589934250), (4, 5294967125), (5, 4235973700), (7, 3025695500), (10, 2117986850), (14, 1512847750), (20, 1058993425), (25, 847194740), (28, 756423875), (35, 605139100), (47, 450635500), (50, 423597370), (70, 302569550), (94, 225317750), (100, 211798685), (125, 169438948), (140, 151284775), (175, 121027820), (188, 112658875), (199, 106431500), (235, 90127100), (250, 84719474), (329, 64376500), (350, 60513910), (398, 53215750), (470, 45063550), (500, 42359737), (647, 32735500), (658, 32188250), (700, 30256955), (796, 26607875), (875, 24205564), (940, 22531775), (995, 21286300), (1175, 18025420), (1294, 16367750), (1316, 16094125), (1393, 15204500), (1645, 12875300), (1750, 12102782), (1990, 10643150), (2350, 9012710), (2588, 8183875), (2786, 7602250), (3235, 6547100), (3290, 6437650), (3500, 6051391), (3980, 5321575), (4529, 4676500), (4700, 4506355), (4975, 4257260), (5572, 3801125), (5875, 3605084), (6470, 3273550), (6580, 3218825), (6965, 3040900), (8225, 2575060), (9058, 2338250), (9353, 2264500), (9950, 2128630), (11750, 1802542), (12940, 1636775), (13930, 1520450), (16175, 1309420), (16450, 1287530), (18116, 1169125), (18706, 1132250), (19900, 1064315), (22645, 935300), (23500, 901271), (24875, 851452), (27860, 760225), (30409, 696500), (32350, 654710), (32900, 643765), (34825, 608180), (37412, 566125), (41125, 515012), (45290, 467650), (46765, 452900), (49750, 425726), (60818, 348250), (64700, 327355), (65471, 323500), (69650, 304090), (80875, 261884), (82250, 257506), (90580, 233825), (93530, 226450), (99500, 212863), (113225, 187060), (121636, 174125), (128753, 164500), (130942, 161750), (139300, 152045)]