203097940

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1\times {\mathrm{673}}^1$

素因数の和:952

約数の個数: 48

約数和(自身を含む): 434810880

約数和(自身を除く): 231712940

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 191, 316, 382, 395, 673, 764, 790, 955, 1346, 1580, 1910, 2692, 3365, 3820, 6730, 13460, 15089, 30178, 53167, 60356, 75445, 106334, 128543, 150890, 212668, 257086, 265835, 301780, 514172, 531670, 642715, 1063340, 1285430, 2570860, 10154897, 20309794, 40619588, 50774485, 101548970, 203097940]

約数ペア:

[(1, 203097940), (2, 101548970), (4, 50774485), (5, 40619588), (10, 20309794), (20, 10154897), (79, 2570860), (158, 1285430), (191, 1063340), (316, 642715), (382, 531670), (395, 514172), (673, 301780), (764, 265835), (790, 257086), (955, 212668), (1346, 150890), (1580, 128543), (1910, 106334), (2692, 75445), (3365, 60356), (3820, 53167), (6730, 30178), (13460, 15089)]