199945670

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{51137}}^1$

素因数の和:51184

約数の個数: 32

約数和(自身を含む): 397649088

約数和(自身を除く): 197703418

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 170, 230, 391, 782, 1955, 3910, 51137, 102274, 255685, 511370, 869329, 1176151, 1738658, 2352302, 4346645, 5880755, 8693290, 11761510, 19994567, 39989134, 99972835, 199945670]

約数ペア:

[(1, 199945670), (2, 99972835), (5, 39989134), (10, 19994567), (17, 11761510), (23, 8693290), (34, 5880755), (46, 4346645), (85, 2352302), (115, 1738658), (170, 1176151), (230, 869329), (391, 511370), (782, 255685), (1955, 102274), (3910, 51137)]