216898360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{433}}^1\times {\mathrm{1789}}^1$

素因数の和:2240

約数の個数: 64

約数和(自身を含む): 559339200

約数和(自身を除く): 342440840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 433, 866, 1732, 1789, 2165, 3031, 3464, 3578, 4330, 6062, 7156, 8660, 8945, 12124, 12523, 14312, 15155, 17320, 17890, 24248, 25046, 30310, 35780, 50092, 60620, 62615, 71560, 100184, 121240, 125230, 250460, 500920, 774637, 1549274, 3098548, 3873185, 5422459, 6197096, 7746370, 10844918, 15492740, 21689836, 27112295, 30985480, 43379672, 54224590, 108449180, 216898360]

約数ペア:

[(1, 216898360), (2, 108449180), (4, 54224590), (5, 43379672), (7, 30985480), (8, 27112295), (10, 21689836), (14, 15492740), (20, 10844918), (28, 7746370), (35, 6197096), (40, 5422459), (56, 3873185), (70, 3098548), (140, 1549274), (280, 774637), (433, 500920), (866, 250460), (1732, 125230), (1789, 121240), (2165, 100184), (3031, 71560), (3464, 62615), (3578, 60620), (4330, 50092), (6062, 35780), (7156, 30310), (8660, 25046), (8945, 24248), (12124, 17890), (12523, 17320), (14312, 15155)]