49941980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{1657}}^1$

素因数の和:1814

約数の個数: 48

約数和(自身を含む): 115317216

約数和(自身を除く): 65375236

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 137, 220, 274, 548, 685, 1370, 1507, 1657, 2740, 3014, 3314, 6028, 6628, 7535, 8285, 15070, 16570, 18227, 30140, 33140, 36454, 72908, 91135, 182270, 227009, 364540, 454018, 908036, 1135045, 2270090, 2497099, 4540180, 4994198, 9988396, 12485495, 24970990, 49941980]

約数ペア:

[(1, 49941980), (2, 24970990), (4, 12485495), (5, 9988396), (10, 4994198), (11, 4540180), (20, 2497099), (22, 2270090), (44, 1135045), (55, 908036), (110, 454018), (137, 364540), (220, 227009), (274, 182270), (548, 91135), (685, 72908), (1370, 36454), (1507, 33140), (1657, 30140), (2740, 18227), (3014, 16570), (3314, 15070), (6028, 8285), (6628, 7535)]