415780820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{228451}}^1$

素因数の和:228480

約数の個数: 48

約数和(自身を含む): 1074638208

約数和(自身を除く): 658857388

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 228451, 456902, 913804, 1142255, 1599157, 2284510, 2969863, 3198314, 4569020, 5939726, 6396628, 7995785, 11879452, 14849315, 15991570, 20789041, 29698630, 31983140, 41578082, 59397260, 83156164, 103945205, 207890410, 415780820]

約数ペア:

[(1, 415780820), (2, 207890410), (4, 103945205), (5, 83156164), (7, 59397260), (10, 41578082), (13, 31983140), (14, 29698630), (20, 20789041), (26, 15991570), (28, 14849315), (35, 11879452), (52, 7995785), (65, 6396628), (70, 5939726), (91, 4569020), (130, 3198314), (140, 2969863), (182, 2284510), (260, 1599157), (364, 1142255), (455, 913804), (910, 456902), (1820, 228451)]