81178790

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{15061}}^1$

素因数の和:15093

約数の個数: 48

約数和(自身を含む): 185443344

約数和(自身を除く): 104264554

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 110, 154, 245, 385, 490, 539, 770, 1078, 2695, 5390, 15061, 30122, 75305, 105427, 150610, 165671, 210854, 331342, 527135, 737989, 828355, 1054270, 1159697, 1475978, 1656710, 2319394, 3689945, 5798485, 7379890, 8117879, 11596970, 16235758, 40589395, 81178790]

約数ペア:

[(1, 81178790), (2, 40589395), (5, 16235758), (7, 11596970), (10, 8117879), (11, 7379890), (14, 5798485), (22, 3689945), (35, 2319394), (49, 1656710), (55, 1475978), (70, 1159697), (77, 1054270), (98, 828355), (110, 737989), (154, 527135), (245, 331342), (385, 210854), (490, 165671), (539, 150610), (770, 105427), (1078, 75305), (2695, 30122), (5390, 15061)]