1969278760

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{383}}^1\times {\mathrm{673}}^1$

素因数の和:1258

約数の個数: 64

約数和(自身を含む): 4472340480

約数和(自身を除く): 2503061720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 383, 673, 764, 766, 955, 1346, 1528, 1532, 1910, 1915, 2692, 3064, 3365, 3820, 3830, 5384, 6730, 7640, 7660, 13460, 15320, 26920, 73153, 128543, 146306, 257086, 257759, 292612, 365765, 514172, 515518, 585224, 642715, 731530, 1028344, 1031036, 1285430, 1288795, 1463060, 2062072, 2570860, 2577590, 2926120, 5141720, 5155180, 10310360, 49231969, 98463938, 196927876, 246159845, 393855752, 492319690, 984639380, 1969278760]

約数ペア:

[(1, 1969278760), (2, 984639380), (4, 492319690), (5, 393855752), (8, 246159845), (10, 196927876), (20, 98463938), (40, 49231969), (191, 10310360), (382, 5155180), (383, 5141720), (673, 2926120), (764, 2577590), (766, 2570860), (955, 2062072), (1346, 1463060), (1528, 1288795), (1532, 1285430), (1910, 1031036), (1915, 1028344), (2692, 731530), (3064, 642715), (3365, 585224), (3820, 515518), (3830, 514172), (5384, 365765), (6730, 292612), (7640, 257759), (7660, 257086), (13460, 146306), (15320, 128543), (26920, 73153)]