219697540

素因数分解:

$2^2\times 5^1\times {\mathrm{751}}^1\times {\mathrm{14627}}^1$

素因数の和:15387

約数の個数: 24

約数和(自身を含む): 462010752

約数和(自身を除く): 242313212

約数列:

[1, 2, 4, 5, 10, 20, 751, 1502, 3004, 3755, 7510, 14627, 15020, 29254, 58508, 73135, 146270, 292540, 10984877, 21969754, 43939508, 54924385, 109848770, 219697540]

約数ペア:

[(1, 219697540), (2, 109848770), (4, 54924385), (5, 43939508), (10, 21969754), (20, 10984877), (751, 292540), (1502, 146270), (3004, 73135), (3755, 58508), (7510, 29254), (14627, 15020)]