2019380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1$

素因数の和:224

約数の個数: 48

約数和(自身を含む): 4729536

約数和(自身を除く): 2710156

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 67, 110, 134, 137, 220, 268, 274, 335, 548, 670, 685, 737, 1340, 1370, 1474, 1507, 2740, 2948, 3014, 3685, 6028, 7370, 7535, 9179, 14740, 15070, 18358, 30140, 36716, 45895, 91790, 100969, 183580, 201938, 403876, 504845, 1009690, 2019380]

約数ペア:

[(1, 2019380), (2, 1009690), (4, 504845), (5, 403876), (10, 201938), (11, 183580), (20, 100969), (22, 91790), (44, 45895), (55, 36716), (67, 30140), (110, 18358), (134, 15070), (137, 14740), (220, 9179), (268, 7535), (274, 7370), (335, 6028), (548, 3685), (670, 3014), (685, 2948), (737, 2740), (1340, 1507), (1370, 1474)]