229690040

素因数分解:

$2^3\times 5^1\times {\mathrm{353}}^1\times {\mathrm{16267}}^1$

素因数の和:16631

約数の個数: 32

約数和(自身を含む): 518298480

約数和(自身を除く): 288608440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 353, 706, 1412, 1765, 2824, 3530, 7060, 14120, 16267, 32534, 65068, 81335, 130136, 162670, 325340, 650680, 5742251, 11484502, 22969004, 28711255, 45938008, 57422510, 114845020, 229690040]

約数ペア:

[(1, 229690040), (2, 114845020), (4, 57422510), (5, 45938008), (8, 28711255), (10, 22969004), (20, 11484502), (40, 5742251), (353, 650680), (706, 325340), (1412, 162670), (1765, 130136), (2824, 81335), (3530, 65068), (7060, 32534), (14120, 16267)]