199458560

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{197}}^1$

素因数の和:338

約数の個数: 144

約数和(自身を含む): 553646016

約数和(自身を除く): 354187456

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 113, 128, 140, 160, 197, 224, 226, 256, 280, 320, 394, 448, 452, 560, 565, 640, 788, 791, 896, 904, 985, 1120, 1130, 1280, 1379, 1576, 1582, 1792, 1808, 1970, 2240, 2260, 2758, 3152, 3164, 3616, 3940, 3955, 4480, 4520, 5516, 6304, 6328, 6895, 7232, 7880, 7910, 8960, 9040, 11032, 12608, 12656, 13790, 14464, 15760, 15820, 18080, 22064, 22261, 25216, 25312, 27580, 28928, 31520, 31640, 36160, 44128, 44522, 50432, 50624, 55160, 63040, 63280, 72320, 88256, 89044, 101248, 110320, 111305, 126080, 126560, 144640, 155827, 176512, 178088, 202496, 220640, 222610, 252160, 253120, 311654, 353024, 356176, 441280, 445220, 506240, 623308, 712352, 779135, 882560, 890440, 1012480, 1246616, 1424704, 1558270, 1765120, 1780880, 2493232, 2849408, 3116540, 3561760, 4986464, 5698816, 6233080, 7123520, 9972928, 12466160, 14247040, 19945856, 24932320, 28494080, 39891712, 49864640, 99729280, 199458560]

約数ペア:

[(1, 199458560), (2, 99729280), (4, 49864640), (5, 39891712), (7, 28494080), (8, 24932320), (10, 19945856), (14, 14247040), (16, 12466160), (20, 9972928), (28, 7123520), (32, 6233080), (35, 5698816), (40, 4986464), (56, 3561760), (64, 3116540), (70, 2849408), (80, 2493232), (112, 1780880), (113, 1765120), (128, 1558270), (140, 1424704), (160, 1246616), (197, 1012480), (224, 890440), (226, 882560), (256, 779135), (280, 712352), (320, 623308), (394, 506240), (448, 445220), (452, 441280), (560, 356176), (565, 353024), (640, 311654), (788, 253120), (791, 252160), (896, 222610), (904, 220640), (985, 202496), (1120, 178088), (1130, 176512), (1280, 155827), (1379, 144640), (1576, 126560), (1582, 126080), (1792, 111305), (1808, 110320), (1970, 101248), (2240, 89044), (2260, 88256), (2758, 72320), (3152, 63280), (3164, 63040), (3616, 55160), (3940, 50624), (3955, 50432), (4480, 44522), (4520, 44128), (5516, 36160), (6304, 31640), (6328, 31520), (6895, 28928), (7232, 27580), (7880, 25312), (7910, 25216), (8960, 22261), (9040, 22064), (11032, 18080), (12608, 15820), (12656, 15760), (13790, 14464)]