200942140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{205043}}^1$

素因数の和:205066

約数の個数: 36

約数和(自身を含む): 490875336

約数和(自身を除く): 289933196

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 205043, 410086, 820172, 1025215, 1435301, 2050430, 2870602, 4100860, 5741204, 7176505, 10047107, 14353010, 20094214, 28706020, 40188428, 50235535, 100471070, 200942140]

約数ペア:

[(1, 200942140), (2, 100471070), (4, 50235535), (5, 40188428), (7, 28706020), (10, 20094214), (14, 14353010), (20, 10047107), (28, 7176505), (35, 5741204), (49, 4100860), (70, 2870602), (98, 2050430), (140, 1435301), (196, 1025215), (245, 820172), (490, 410086), (980, 205043)]