6721220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{223}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 15579648

約数和(自身を除く): 8858428

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 137, 220, 223, 274, 446, 548, 685, 892, 1115, 1370, 1507, 2230, 2453, 2740, 3014, 4460, 4906, 6028, 7535, 9812, 12265, 15070, 24530, 30140, 30551, 49060, 61102, 122204, 152755, 305510, 336061, 611020, 672122, 1344244, 1680305, 3360610, 6721220]

約数ペア:

[(1, 6721220), (2, 3360610), (4, 1680305), (5, 1344244), (10, 672122), (11, 611020), (20, 336061), (22, 305510), (44, 152755), (55, 122204), (110, 61102), (137, 49060), (220, 30551), (223, 30140), (274, 24530), (446, 15070), (548, 12265), (685, 9812), (892, 7535), (1115, 6028), (1370, 4906), (1507, 4460), (2230, 3014), (2453, 2740)]