30782900

素因数分解:

$2^2\times 5^2\times {\mathrm{541}}^1\times {\mathrm{569}}^1$

素因数の和:1124

約数の個数: 36

約数和(自身を含む): 67039980

約数和(自身を除く): 36257080

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 541, 569, 1082, 1138, 2164, 2276, 2705, 2845, 5410, 5690, 10820, 11380, 13525, 14225, 27050, 28450, 54100, 56900, 307829, 615658, 1231316, 1539145, 3078290, 6156580, 7695725, 15391450, 30782900]

約数ペア:

[(1, 30782900), (2, 15391450), (4, 7695725), (5, 6156580), (10, 3078290), (20, 1539145), (25, 1231316), (50, 615658), (100, 307829), (541, 56900), (569, 54100), (1082, 28450), (1138, 27050), (2164, 14225), (2276, 13525), (2705, 11380), (2845, 10820), (5410, 5690)]