68397800

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{20117}}^1$

素因数の和:20150

約数の個数: 48

約数和(自身を含む): 168387660

約数和(自身を除く): 99989860

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 136, 170, 200, 340, 425, 680, 850, 1700, 3400, 20117, 40234, 80468, 100585, 160936, 201170, 341989, 402340, 502925, 683978, 804680, 1005850, 1367956, 1709945, 2011700, 2735912, 3419890, 4023400, 6839780, 8549725, 13679560, 17099450, 34198900, 68397800]

約数ペア:

[(1, 68397800), (2, 34198900), (4, 17099450), (5, 13679560), (8, 8549725), (10, 6839780), (17, 4023400), (20, 3419890), (25, 2735912), (34, 2011700), (40, 1709945), (50, 1367956), (68, 1005850), (85, 804680), (100, 683978), (136, 502925), (170, 402340), (200, 341989), (340, 201170), (425, 160936), (680, 100585), (850, 80468), (1700, 40234), (3400, 20117)]