389097520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{5471}}^1$

素因数の和:5618

約数の個数: 80

約数和(自身を含む): 1042219008

約数和(自身を除く): 653121488

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 127, 140, 254, 280, 508, 560, 635, 889, 1016, 1270, 1778, 2032, 2540, 3556, 4445, 5080, 5471, 7112, 8890, 10160, 10942, 14224, 17780, 21884, 27355, 35560, 38297, 43768, 54710, 71120, 76594, 87536, 109420, 153188, 191485, 218840, 306376, 382970, 437680, 612752, 694817, 765940, 1389634, 1531880, 2779268, 3063760, 3474085, 4863719, 5558536, 6948170, 9727438, 11117072, 13896340, 19454876, 24318595, 27792680, 38909752, 48637190, 55585360, 77819504, 97274380, 194548760, 389097520]

約数ペア:

[(1, 389097520), (2, 194548760), (4, 97274380), (5, 77819504), (7, 55585360), (8, 48637190), (10, 38909752), (14, 27792680), (16, 24318595), (20, 19454876), (28, 13896340), (35, 11117072), (40, 9727438), (56, 6948170), (70, 5558536), (80, 4863719), (112, 3474085), (127, 3063760), (140, 2779268), (254, 1531880), (280, 1389634), (508, 765940), (560, 694817), (635, 612752), (889, 437680), (1016, 382970), (1270, 306376), (1778, 218840), (2032, 191485), (2540, 153188), (3556, 109420), (4445, 87536), (5080, 76594), (5471, 71120), (7112, 54710), (8890, 43768), (10160, 38297), (10942, 35560), (14224, 27355), (17780, 21884)]