84938500

素因数分解:

$2^2\times 5^3\times {\mathrm{257}}^1\times {\mathrm{661}}^1$

素因数の和:937

約数の個数: 48

約数和(自身を含む): 186509232

約数和(自身を除く): 101570732

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 257, 500, 514, 661, 1028, 1285, 1322, 2570, 2644, 3305, 5140, 6425, 6610, 12850, 13220, 16525, 25700, 32125, 33050, 64250, 66100, 82625, 128500, 165250, 169877, 330500, 339754, 679508, 849385, 1698770, 3397540, 4246925, 8493850, 16987700, 21234625, 42469250, 84938500]

約数ペア:

[(1, 84938500), (2, 42469250), (4, 21234625), (5, 16987700), (10, 8493850), (20, 4246925), (25, 3397540), (50, 1698770), (100, 849385), (125, 679508), (250, 339754), (257, 330500), (500, 169877), (514, 165250), (661, 128500), (1028, 82625), (1285, 66100), (1322, 64250), (2570, 33050), (2644, 32125), (3305, 25700), (5140, 16525), (6425, 13220), (6610, 12850)]