280142008

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{3329}}^1$

素因数の和:3559

約数の個数: 32

約数和(自身を含む): 536662800

約数和(自身を除く): 256520792

約数列:

[1, 2, 4, 8, 67, 134, 157, 268, 314, 536, 628, 1256, 3329, 6658, 10519, 13316, 21038, 26632, 42076, 84152, 223043, 446086, 522653, 892172, 1045306, 1784344, 2090612, 4181224, 35017751, 70035502, 140071004, 280142008]

約数ペア:

[(1, 280142008), (2, 140071004), (4, 70035502), (8, 35017751), (67, 4181224), (134, 2090612), (157, 1784344), (268, 1045306), (314, 892172), (536, 522653), (628, 446086), (1256, 223043), (3329, 84152), (6658, 42076), (10519, 26632), (13316, 21038)]