90309350

素因数分解:

$2^1\times 5^2\times {\mathrm{53}}^2\times {\mathrm{643}}^1$

素因数の和:761

約数の個数: 36

約数和(自身を含む): 171470796

約数和(自身を除く): 81161446

約数列:

[1, 2, 5, 10, 25, 50, 53, 106, 265, 530, 643, 1286, 1325, 2650, 2809, 3215, 5618, 6430, 14045, 16075, 28090, 32150, 34079, 68158, 70225, 140450, 170395, 340790, 851975, 1703950, 1806187, 3612374, 9030935, 18061870, 45154675, 90309350]

約数ペア:

[(1, 90309350), (2, 45154675), (5, 18061870), (10, 9030935), (25, 3612374), (50, 1806187), (53, 1703950), (106, 851975), (265, 340790), (530, 170395), (643, 140450), (1286, 70225), (1325, 68158), (2650, 34079), (2809, 32150), (3215, 28090), (5618, 16075), (6430, 14045)]