238608920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{542293}}^1$

素因数の和:542315

約数の個数: 32

約数和(自身を含む): 585677520

約数和(自身を除く): 347068600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 542293, 1084586, 2169172, 2711465, 4338344, 5422930, 5965223, 10845860, 11930446, 21691720, 23860892, 29826115, 47721784, 59652230, 119304460, 238608920]

約数ペア:

[(1, 238608920), (2, 119304460), (4, 59652230), (5, 47721784), (8, 29826115), (10, 23860892), (11, 21691720), (20, 11930446), (22, 10845860), (40, 5965223), (44, 5422930), (55, 4338344), (88, 2711465), (110, 2169172), (220, 1084586), (440, 542293)]