311345104

素因数分解:

$2^4\times 7^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1$

素因数の和:452

約数の個数: 80

約数和(自身を含む): 704740608

約数和(自身を除く): 393395504

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 103, 112, 137, 197, 206, 274, 394, 412, 548, 721, 788, 824, 959, 1096, 1379, 1442, 1576, 1648, 1918, 2192, 2758, 2884, 3152, 3836, 5516, 5768, 7672, 11032, 11536, 14111, 15344, 20291, 22064, 26989, 28222, 40582, 53978, 56444, 81164, 98777, 107956, 112888, 142037, 162328, 188923, 197554, 215912, 225776, 284074, 324656, 377846, 395108, 431824, 568148, 755692, 790216, 1136296, 1511384, 1580432, 2272592, 2779867, 3022768, 5559734, 11119468, 19459069, 22238936, 38918138, 44477872, 77836276, 155672552, 311345104]

約数ペア:

[(1, 311345104), (2, 155672552), (4, 77836276), (7, 44477872), (8, 38918138), (14, 22238936), (16, 19459069), (28, 11119468), (56, 5559734), (103, 3022768), (112, 2779867), (137, 2272592), (197, 1580432), (206, 1511384), (274, 1136296), (394, 790216), (412, 755692), (548, 568148), (721, 431824), (788, 395108), (824, 377846), (959, 324656), (1096, 284074), (1379, 225776), (1442, 215912), (1576, 197554), (1648, 188923), (1918, 162328), (2192, 142037), (2758, 112888), (2884, 107956), (3152, 98777), (3836, 81164), (5516, 56444), (5768, 53978), (7672, 40582), (11032, 28222), (11536, 26989), (14111, 22064), (15344, 20291)]