440269310

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{12497}}^1$

素因数の和:12788

約数の個数: 32

約数和(自身を含む): 856662912

約数和(自身を除く): 416393602

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 271, 542, 1355, 2710, 3523, 7046, 12497, 17615, 24994, 35230, 62485, 124970, 162461, 324922, 812305, 1624610, 3386687, 6773374, 16933435, 33866870, 44026931, 88053862, 220134655, 440269310]

約数ペア:

[(1, 440269310), (2, 220134655), (5, 88053862), (10, 44026931), (13, 33866870), (26, 16933435), (65, 6773374), (130, 3386687), (271, 1624610), (542, 812305), (1355, 324922), (2710, 162461), (3523, 124970), (7046, 62485), (12497, 35230), (17615, 24994)]