90598700

素因数分解:

$2^2\times 5^2\times {\mathrm{643}}^1\times {\mathrm{1409}}^1$

素因数の和:2066

約数の個数: 36

約数和(自身を含む): 197044680

約数和(自身を除く): 106445980

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 643, 1286, 1409, 2572, 2818, 3215, 5636, 6430, 7045, 12860, 14090, 16075, 28180, 32150, 35225, 64300, 70450, 140900, 905987, 1811974, 3623948, 4529935, 9059870, 18119740, 22649675, 45299350, 90598700]

約数ペア:

[(1, 90598700), (2, 45299350), (4, 22649675), (5, 18119740), (10, 9059870), (20, 4529935), (25, 3623948), (50, 1811974), (100, 905987), (643, 140900), (1286, 70450), (1409, 64300), (2572, 35225), (2818, 32150), (3215, 28180), (5636, 16075), (6430, 14090), (7045, 12860)]