90827800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{64877}}^1$

素因数の和:64900

約数の個数: 48

約数和(自身を含む): 241346160

約数和(自身を除く): 150518360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 64877, 129754, 259508, 324385, 454139, 519016, 648770, 908278, 1297540, 1621925, 1816556, 2270695, 2595080, 3243850, 3633112, 4541390, 6487700, 9082780, 11353475, 12975400, 18165560, 22706950, 45413900, 90827800]

約数ペア:

[(1, 90827800), (2, 45413900), (4, 22706950), (5, 18165560), (7, 12975400), (8, 11353475), (10, 9082780), (14, 6487700), (20, 4541390), (25, 3633112), (28, 3243850), (35, 2595080), (40, 2270695), (50, 1816556), (56, 1621925), (70, 1297540), (100, 908278), (140, 648770), (175, 519016), (200, 454139), (280, 324385), (350, 259508), (700, 129754), (1400, 64877)]