1817967140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{135467}}^1$

素因数の和:135548

約数の個数: 48

約数和(自身を含む): 4233104064

約数和(自身を除く): 2415136924

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 122, 220, 244, 305, 610, 671, 1220, 1342, 2684, 3355, 6710, 13420, 135467, 270934, 541868, 677335, 1354670, 1490137, 2709340, 2980274, 5960548, 7450685, 8263487, 14901370, 16526974, 29802740, 33053948, 41317435, 82634870, 90898357, 165269740, 181796714, 363593428, 454491785, 908983570, 1817967140]

約数ペア:

[(1, 1817967140), (2, 908983570), (4, 454491785), (5, 363593428), (10, 181796714), (11, 165269740), (20, 90898357), (22, 82634870), (44, 41317435), (55, 33053948), (61, 29802740), (110, 16526974), (122, 14901370), (220, 8263487), (244, 7450685), (305, 5960548), (610, 2980274), (671, 2709340), (1220, 1490137), (1342, 1354670), (2684, 677335), (3355, 541868), (6710, 270934), (13420, 135467)]