858281420

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{191}}^1\times {\mathrm{2707}}^1$

素因数の和:2990

約数の個数: 48

約数和(自身を含む): 1834334208

約数和(自身を除く): 976052788

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 191, 332, 382, 415, 764, 830, 955, 1660, 1910, 2707, 3820, 5414, 10828, 13535, 15853, 27070, 31706, 54140, 63412, 79265, 158530, 224681, 317060, 449362, 517037, 898724, 1034074, 1123405, 2068148, 2246810, 2585185, 4493620, 5170370, 10340740, 42914071, 85828142, 171656284, 214570355, 429140710, 858281420]

約数ペア:

[(1, 858281420), (2, 429140710), (4, 214570355), (5, 171656284), (10, 85828142), (20, 42914071), (83, 10340740), (166, 5170370), (191, 4493620), (332, 2585185), (382, 2246810), (415, 2068148), (764, 1123405), (830, 1034074), (955, 898724), (1660, 517037), (1910, 449362), (2707, 317060), (3820, 224681), (5414, 158530), (10828, 79265), (13535, 63412), (15853, 54140), (27070, 31706)]