389650240

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{883}}^1$

素因数の和:1104

約数の個数: 112

約数和(自身を含む): 1066995072

約数和(自身を除く): 677344832

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 197, 224, 280, 320, 394, 448, 560, 788, 883, 985, 1120, 1379, 1576, 1766, 1970, 2240, 2758, 3152, 3532, 3940, 4415, 5516, 6181, 6304, 6895, 7064, 7880, 8830, 11032, 12362, 12608, 13790, 14128, 15760, 17660, 22064, 24724, 27580, 28256, 30905, 31520, 35320, 44128, 49448, 55160, 56512, 61810, 63040, 70640, 88256, 98896, 110320, 123620, 141280, 173951, 197792, 220640, 247240, 282560, 347902, 395584, 441280, 494480, 695804, 869755, 988960, 1217657, 1391608, 1739510, 1977920, 2435314, 2783216, 3479020, 4870628, 5566432, 6088285, 6958040, 9741256, 11132864, 12176570, 13916080, 19482512, 24353140, 27832160, 38965024, 48706280, 55664320, 77930048, 97412560, 194825120, 389650240]

約数ペア:

[(1, 389650240), (2, 194825120), (4, 97412560), (5, 77930048), (7, 55664320), (8, 48706280), (10, 38965024), (14, 27832160), (16, 24353140), (20, 19482512), (28, 13916080), (32, 12176570), (35, 11132864), (40, 9741256), (56, 6958040), (64, 6088285), (70, 5566432), (80, 4870628), (112, 3479020), (140, 2783216), (160, 2435314), (197, 1977920), (224, 1739510), (280, 1391608), (320, 1217657), (394, 988960), (448, 869755), (560, 695804), (788, 494480), (883, 441280), (985, 395584), (1120, 347902), (1379, 282560), (1576, 247240), (1766, 220640), (1970, 197792), (2240, 173951), (2758, 141280), (3152, 123620), (3532, 110320), (3940, 98896), (4415, 88256), (5516, 70640), (6181, 63040), (6304, 61810), (6895, 56512), (7064, 55160), (7880, 49448), (8830, 44128), (11032, 35320), (12362, 31520), (12608, 30905), (13790, 28256), (14128, 27580), (15760, 24724), (17660, 22064)]