2021061980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{627659}}^1$

素因数の和:627698

約数の個数: 48

約数和(自身を含む): 5061450240

約数和(自身を除く): 3040388260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 627659, 1255318, 2510636, 3138295, 4393613, 6276590, 8787226, 12553180, 14436157, 17574452, 21968065, 28872314, 43936130, 57744628, 72180785, 87872260, 101053099, 144361570, 202106198, 288723140, 404212396, 505265495, 1010530990, 2021061980]

約数ペア:

[(1, 2021061980), (2, 1010530990), (4, 505265495), (5, 404212396), (7, 288723140), (10, 202106198), (14, 144361570), (20, 101053099), (23, 87872260), (28, 72180785), (35, 57744628), (46, 43936130), (70, 28872314), (92, 21968065), (115, 17574452), (140, 14436157), (161, 12553180), (230, 8787226), (322, 6276590), (460, 4393613), (644, 3138295), (805, 2510636), (1610, 1255318), (3220, 627659)]