258580900

素因数分解:

$2^2\times 5^2\times {\mathrm{131}}^1\times {\mathrm{19739}}^1$

素因数の和:19884

約数の個数: 36

約数和(自身を含む): 565432560

約数和(自身を除く): 306851660

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 131, 262, 524, 655, 1310, 2620, 3275, 6550, 13100, 19739, 39478, 78956, 98695, 197390, 394780, 493475, 986950, 1973900, 2585809, 5171618, 10343236, 12929045, 25858090, 51716180, 64645225, 129290450, 258580900]

約数ペア:

[(1, 258580900), (2, 129290450), (4, 64645225), (5, 51716180), (10, 25858090), (20, 12929045), (25, 10343236), (50, 5171618), (100, 2585809), (131, 1973900), (262, 986950), (524, 493475), (655, 394780), (1310, 197390), (2620, 98695), (3275, 78956), (6550, 39478), (13100, 19739)]