38398640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{359}}^1$

素因数の和:570

約数の個数: 80

約数和(自身を含む): 102850560

約数和(自身を除く): 64451920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 191, 280, 359, 382, 560, 718, 764, 955, 1337, 1436, 1528, 1795, 1910, 2513, 2674, 2872, 3056, 3590, 3820, 5026, 5348, 5744, 6685, 7180, 7640, 10052, 10696, 12565, 13370, 14360, 15280, 20104, 21392, 25130, 26740, 28720, 40208, 50260, 53480, 68569, 100520, 106960, 137138, 201040, 274276, 342845, 479983, 548552, 685690, 959966, 1097104, 1371380, 1919932, 2399915, 2742760, 3839864, 4799830, 5485520, 7679728, 9599660, 19199320, 38398640]

約数ペア:

[(1, 38398640), (2, 19199320), (4, 9599660), (5, 7679728), (7, 5485520), (8, 4799830), (10, 3839864), (14, 2742760), (16, 2399915), (20, 1919932), (28, 1371380), (35, 1097104), (40, 959966), (56, 685690), (70, 548552), (80, 479983), (112, 342845), (140, 274276), (191, 201040), (280, 137138), (359, 106960), (382, 100520), (560, 68569), (718, 53480), (764, 50260), (955, 40208), (1337, 28720), (1436, 26740), (1528, 25130), (1795, 21392), (1910, 20104), (2513, 15280), (2674, 14360), (2872, 13370), (3056, 12565), (3590, 10696), (3820, 10052), (5026, 7640), (5348, 7180), (5744, 6685)]