640966704784

素因数分解:

$2^4\times 7^1\times {\mathrm{349}}^1\times {\mathrm{359}}^1\times {\mathrm{45677}}^1$

素因数の和:46400

約数の個数: 80

約数和(自身を含む): 1427346144000

約数和(自身を除く): 786379439216

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 349, 359, 698, 718, 1396, 1436, 2443, 2513, 2792, 2872, 4886, 5026, 5584, 5744, 9772, 10052, 19544, 20104, 39088, 40208, 45677, 91354, 125291, 182708, 250582, 319739, 365416, 501164, 639478, 730832, 877037, 1002328, 1278956, 1754074, 2004656, 2557912, 3508148, 5115824, 7016296, 14032592, 15941273, 16398043, 31882546, 32796086, 63765092, 65592172, 111588911, 114786301, 127530184, 131184344, 223177822, 229572602, 255060368, 262368688, 446355644, 459145204, 892711288, 918290408, 1785422576, 1836580816, 5722917007, 11445834014, 22891668028, 40060419049, 45783336056, 80120838098, 91566672112, 160241676196, 320483352392, 640966704784]

約数ペア:

[(1, 640966704784), (2, 320483352392), (4, 160241676196), (7, 91566672112), (8, 80120838098), (14, 45783336056), (16, 40060419049), (28, 22891668028), (56, 11445834014), (112, 5722917007), (349, 1836580816), (359, 1785422576), (698, 918290408), (718, 892711288), (1396, 459145204), (1436, 446355644), (2443, 262368688), (2513, 255060368), (2792, 229572602), (2872, 223177822), (4886, 131184344), (5026, 127530184), (5584, 114786301), (5744, 111588911), (9772, 65592172), (10052, 63765092), (19544, 32796086), (20104, 31882546), (39088, 16398043), (40208, 15941273), (45677, 14032592), (91354, 7016296), (125291, 5115824), (182708, 3508148), (250582, 2557912), (319739, 2004656), (365416, 1754074), (501164, 1278956), (639478, 1002328), (730832, 877037)]