849061780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{821}}^1$

素因数の和:1009

約数の個数: 96

約数和(自身を含む): 2088011520

約数和(自身を除く): 1238949740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 83, 89, 140, 166, 178, 332, 356, 415, 445, 581, 623, 821, 830, 890, 1162, 1246, 1642, 1660, 1780, 2324, 2492, 2905, 3115, 3284, 4105, 5747, 5810, 6230, 7387, 8210, 11494, 11620, 12460, 14774, 16420, 22988, 28735, 29548, 36935, 51709, 57470, 68143, 73069, 73870, 103418, 114940, 136286, 146138, 147740, 206836, 258545, 272572, 292276, 340715, 365345, 477001, 511483, 517090, 681430, 730690, 954002, 1022966, 1034180, 1362860, 1461380, 1908004, 2045932, 2385005, 2557415, 4770010, 5114830, 6064727, 9540020, 10229660, 12129454, 24258908, 30323635, 42453089, 60647270, 84906178, 121294540, 169812356, 212265445, 424530890, 849061780]

約数ペア:

[(1, 849061780), (2, 424530890), (4, 212265445), (5, 169812356), (7, 121294540), (10, 84906178), (14, 60647270), (20, 42453089), (28, 30323635), (35, 24258908), (70, 12129454), (83, 10229660), (89, 9540020), (140, 6064727), (166, 5114830), (178, 4770010), (332, 2557415), (356, 2385005), (415, 2045932), (445, 1908004), (581, 1461380), (623, 1362860), (821, 1034180), (830, 1022966), (890, 954002), (1162, 730690), (1246, 681430), (1642, 517090), (1660, 511483), (1780, 477001), (2324, 365345), (2492, 340715), (2905, 292276), (3115, 272572), (3284, 258545), (4105, 206836), (5747, 147740), (5810, 146138), (6230, 136286), (7387, 114940), (8210, 103418), (11494, 73870), (11620, 73069), (12460, 68143), (14774, 57470), (16420, 51709), (22988, 36935), (28735, 29548)]