89869900

素因数分解:

$2^2\times 5^2\times {\mathrm{499}}^1\times {\mathrm{1801}}^1$

素因数の和:2314

約数の個数: 36

約数和(自身を含む): 195517000

約数和(自身を除く): 105647100

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 499, 998, 1801, 1996, 2495, 3602, 4990, 7204, 9005, 9980, 12475, 18010, 24950, 36020, 45025, 49900, 90050, 180100, 898699, 1797398, 3594796, 4493495, 8986990, 17973980, 22467475, 44934950, 89869900]

約数ペア:

[(1, 89869900), (2, 44934950), (4, 22467475), (5, 17973980), (10, 8986990), (20, 4493495), (25, 3594796), (50, 1797398), (100, 898699), (499, 180100), (998, 90050), (1801, 49900), (1996, 45025), (2495, 36020), (3602, 24950), (4990, 18010), (7204, 12475), (9005, 9980)]