90085240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{321733}}^1$

素因数の和:321751

約数の個数: 32

約数和(自身を含む): 231648480

約数和(自身を除く): 141563240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 321733, 643466, 1286932, 1608665, 2252131, 2573864, 3217330, 4504262, 6434660, 9008524, 11260655, 12869320, 18017048, 22521310, 45042620, 90085240]

約数ペア:

[(1, 90085240), (2, 45042620), (4, 22521310), (5, 18017048), (7, 12869320), (8, 11260655), (10, 9008524), (14, 6434660), (20, 4504262), (28, 3217330), (35, 2573864), (40, 2252131), (56, 1608665), (70, 1286932), (140, 643466), (280, 321733)]