8784440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{229}}^1$

素因数の和:384

約数の個数: 64

約数和(自身を含む): 22852800

約数和(自身を除く): 14068360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 137, 140, 229, 274, 280, 458, 548, 685, 916, 959, 1096, 1145, 1370, 1603, 1832, 1918, 2290, 2740, 3206, 3836, 4580, 4795, 5480, 6412, 7672, 8015, 9160, 9590, 12824, 16030, 19180, 31373, 32060, 38360, 62746, 64120, 125492, 156865, 219611, 250984, 313730, 439222, 627460, 878444, 1098055, 1254920, 1756888, 2196110, 4392220, 8784440]

約数ペア:

[(1, 8784440), (2, 4392220), (4, 2196110), (5, 1756888), (7, 1254920), (8, 1098055), (10, 878444), (14, 627460), (20, 439222), (28, 313730), (35, 250984), (40, 219611), (56, 156865), (70, 125492), (137, 64120), (140, 62746), (229, 38360), (274, 32060), (280, 31373), (458, 19180), (548, 16030), (685, 12824), (916, 9590), (959, 9160), (1096, 8015), (1145, 7672), (1370, 6412), (1603, 5480), (1832, 4795), (1918, 4580), (2290, 3836), (2740, 3206)]