78327200

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:295

約数の個数: 144

約数和(自身を含む): 222735744

約数和(自身を除く): 144408544

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 71, 80, 100, 112, 140, 142, 160, 175, 197, 200, 224, 280, 284, 350, 355, 394, 400, 497, 560, 568, 700, 710, 788, 800, 985, 994, 1120, 1136, 1379, 1400, 1420, 1576, 1775, 1970, 1988, 2272, 2485, 2758, 2800, 2840, 3152, 3550, 3940, 3976, 4925, 4970, 5516, 5600, 5680, 6304, 6895, 7100, 7880, 7952, 9850, 9940, 11032, 11360, 12425, 13790, 13987, 14200, 15760, 15904, 19700, 19880, 22064, 24850, 27580, 27974, 28400, 31520, 34475, 39400, 39760, 44128, 49700, 55160, 55948, 56800, 68950, 69935, 78800, 79520, 97909, 99400, 110320, 111896, 137900, 139870, 157600, 195818, 198800, 220640, 223792, 275800, 279740, 349675, 391636, 397600, 447584, 489545, 551600, 559480, 699350, 783272, 979090, 1103200, 1118960, 1398700, 1566544, 1958180, 2237920, 2447725, 2797400, 3133088, 3916360, 4895450, 5594800, 7832720, 9790900, 11189600, 15665440, 19581800, 39163600, 78327200]

約数ペア:

[(1, 78327200), (2, 39163600), (4, 19581800), (5, 15665440), (7, 11189600), (8, 9790900), (10, 7832720), (14, 5594800), (16, 4895450), (20, 3916360), (25, 3133088), (28, 2797400), (32, 2447725), (35, 2237920), (40, 1958180), (50, 1566544), (56, 1398700), (70, 1118960), (71, 1103200), (80, 979090), (100, 783272), (112, 699350), (140, 559480), (142, 551600), (160, 489545), (175, 447584), (197, 397600), (200, 391636), (224, 349675), (280, 279740), (284, 275800), (350, 223792), (355, 220640), (394, 198800), (400, 195818), (497, 157600), (560, 139870), (568, 137900), (700, 111896), (710, 110320), (788, 99400), (800, 97909), (985, 79520), (994, 78800), (1120, 69935), (1136, 68950), (1379, 56800), (1400, 55948), (1420, 55160), (1576, 49700), (1775, 44128), (1970, 39760), (1988, 39400), (2272, 34475), (2485, 31520), (2758, 28400), (2800, 27974), (2840, 27580), (3152, 24850), (3550, 22064), (3940, 19880), (3976, 19700), (4925, 15904), (4970, 15760), (5516, 14200), (5600, 13987), (5680, 13790), (6304, 12425), (6895, 11360), (7100, 11032), (7880, 9940), (7952, 9850)]