208404730

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{347}}^1$

素因数の和:511

約数の個数: 64

約数和(自身を含む): 413424000

約数和(自身を除く): 205019270

約数列:

[1, 2, 5, 10, 19, 29, 38, 58, 95, 109, 145, 190, 218, 290, 347, 545, 551, 694, 1090, 1102, 1735, 2071, 2755, 3161, 3470, 4142, 5510, 6322, 6593, 10063, 10355, 13186, 15805, 20126, 20710, 31610, 32965, 37823, 50315, 60059, 65930, 75646, 100630, 120118, 189115, 191197, 300295, 378230, 382394, 600590, 718637, 955985, 1096867, 1437274, 1911970, 2193734, 3593185, 5484335, 7186370, 10968670, 20840473, 41680946, 104202365, 208404730]

約数ペア:

[(1, 208404730), (2, 104202365), (5, 41680946), (10, 20840473), (19, 10968670), (29, 7186370), (38, 5484335), (58, 3593185), (95, 2193734), (109, 1911970), (145, 1437274), (190, 1096867), (218, 955985), (290, 718637), (347, 600590), (545, 382394), (551, 378230), (694, 300295), (1090, 191197), (1102, 189115), (1735, 120118), (2071, 100630), (2755, 75646), (3161, 65930), (3470, 60059), (4142, 50315), (5510, 37823), (6322, 32965), (6593, 31610), (10063, 20710), (10355, 20126), (13186, 15805)]