288044020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1309291}}^1$

素因数の和:1309311

約数の個数: 24

約数和(自身を含む): 659883168

約数和(自身を除く): 371839148

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1309291, 2618582, 5237164, 6546455, 13092910, 14402201, 26185820, 28804402, 57608804, 72011005, 144022010, 288044020]

約数ペア:

[(1, 288044020), (2, 144022010), (4, 72011005), (5, 57608804), (10, 28804402), (11, 26185820), (20, 14402201), (22, 13092910), (44, 6546455), (55, 5237164), (110, 2618582), (220, 1309291)]