199702970650

素因数分解:

$2^1\times 5^2\times {\mathrm{54979}}^1\times {\mathrm{72647}}^1$

素因数の和:127638

約数の個数: 24

約数和(自身を含む): 371459394720

約数和(自身を除く): 171756424070

約数列:

[1, 2, 5, 10, 25, 50, 54979, 72647, 109958, 145294, 274895, 363235, 549790, 726470, 1374475, 1816175, 2748950, 3632350, 3994059413, 7988118826, 19970297065, 39940594130, 99851485325, 199702970650]

約数ペア:

[(1, 199702970650), (2, 99851485325), (5, 39940594130), (10, 19970297065), (25, 7988118826), (50, 3994059413), (54979, 3632350), (72647, 2748950), (109958, 1816175), (145294, 1374475), (274895, 726470), (363235, 549790)]