439989984

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{218249}}^1$

素因数の和:218272

約数の個数: 72

約数和(自身を含む): 1429974000

約数和(自身を除く): 989984016

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016, 218249, 436498, 654747, 872996, 1309494, 1527743, 1745992, 1964241, 2618988, 3055486, 3491984, 3928482, 4583229, 5237976, 6110972, 6983968, 7856964, 9166458, 10475952, 12221944, 13749687, 15713928, 18332916, 20951904, 24443888, 27499374, 31427856, 36665832, 48887776, 54998748, 62855712, 73331664, 109997496, 146663328, 219994992, 439989984]

約数ペア:

[(1, 439989984), (2, 219994992), (3, 146663328), (4, 109997496), (6, 73331664), (7, 62855712), (8, 54998748), (9, 48887776), (12, 36665832), (14, 31427856), (16, 27499374), (18, 24443888), (21, 20951904), (24, 18332916), (28, 15713928), (32, 13749687), (36, 12221944), (42, 10475952), (48, 9166458), (56, 7856964), (63, 6983968), (72, 6110972), (84, 5237976), (96, 4583229), (112, 3928482), (126, 3491984), (144, 3055486), (168, 2618988), (224, 1964241), (252, 1745992), (288, 1527743), (336, 1309494), (504, 872996), (672, 654747), (1008, 436498), (2016, 218249)]