30708580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{547}}^1$

素因数の和:964

約数の個数: 48

約数和(自身を含む): 74019456

約数和(自身を除く): 43310876

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 401, 547, 802, 1094, 1604, 2005, 2188, 2735, 2807, 3829, 4010, 5470, 5614, 7658, 8020, 10940, 11228, 14035, 15316, 19145, 28070, 38290, 56140, 76580, 219347, 438694, 877388, 1096735, 1535429, 2193470, 3070858, 4386940, 6141716, 7677145, 15354290, 30708580]

約数ペア:

[(1, 30708580), (2, 15354290), (4, 7677145), (5, 6141716), (7, 4386940), (10, 3070858), (14, 2193470), (20, 1535429), (28, 1096735), (35, 877388), (70, 438694), (140, 219347), (401, 76580), (547, 56140), (802, 38290), (1094, 28070), (1604, 19145), (2005, 15316), (2188, 14035), (2735, 11228), (2807, 10940), (3829, 8020), (4010, 7658), (5470, 5614)]