2861220460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{20437289}}^1$

素因数の和:20437305

約数の個数: 24

約数和(自身を含む): 6866929440

約数和(自身を除く): 4005708980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 20437289, 40874578, 81749156, 102186445, 143061023, 204372890, 286122046, 408745780, 572244092, 715305115, 1430610230, 2861220460]

約数ペア:

[(1, 2861220460), (2, 1430610230), (4, 715305115), (5, 572244092), (7, 408745780), (10, 286122046), (14, 204372890), (20, 143061023), (28, 102186445), (35, 81749156), (70, 40874578), (140, 20437289)]