85651580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{1753}}^1$

素因数の和:2118

約数の個数: 48

約数和(自身を含む): 206270400

約数和(自身を除く): 120618820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 349, 698, 1396, 1745, 1753, 2443, 3490, 3506, 4886, 6980, 7012, 8765, 9772, 12215, 12271, 17530, 24430, 24542, 35060, 48860, 49084, 61355, 122710, 245420, 611797, 1223594, 2447188, 3058985, 4282579, 6117970, 8565158, 12235940, 17130316, 21412895, 42825790, 85651580]

約数ペア:

[(1, 85651580), (2, 42825790), (4, 21412895), (5, 17130316), (7, 12235940), (10, 8565158), (14, 6117970), (20, 4282579), (28, 3058985), (35, 2447188), (70, 1223594), (140, 611797), (349, 245420), (698, 122710), (1396, 61355), (1745, 49084), (1753, 48860), (2443, 35060), (3490, 24542), (3506, 24430), (4886, 17530), (6980, 12271), (7012, 12215), (8765, 9772)]