203413280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{181619}}^1$

素因数の和:181641

約数の個数: 48

約数和(自身を含む): 549218880

約数和(自身を除く): 345805600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 181619, 363238, 726476, 908095, 1271333, 1452952, 1816190, 2542666, 2905904, 3632380, 5085332, 5811808, 6356665, 7264760, 10170664, 12713330, 14529520, 20341328, 25426660, 29059040, 40682656, 50853320, 101706640, 203413280]

約数ペア:

[(1, 203413280), (2, 101706640), (4, 50853320), (5, 40682656), (7, 29059040), (8, 25426660), (10, 20341328), (14, 14529520), (16, 12713330), (20, 10170664), (28, 7264760), (32, 6356665), (35, 5811808), (40, 5085332), (56, 3632380), (70, 2905904), (80, 2542666), (112, 1816190), (140, 1452952), (160, 1271333), (224, 908095), (280, 726476), (560, 363238), (1120, 181619)]