2008245890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{4098461}}^1$

素因数の和:4098482

約数の個数: 24

約数和(自身を含む): 4205022012

約数和(自身を除く): 2196776122

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 4098461, 8196922, 20492305, 28689227, 40984610, 57378454, 143446135, 200824589, 286892270, 401649178, 1004122945, 2008245890]

約数ペア:

[(1, 2008245890), (2, 1004122945), (5, 401649178), (7, 286892270), (10, 200824589), (14, 143446135), (35, 57378454), (49, 40984610), (70, 28689227), (98, 20492305), (245, 8196922), (490, 4098461)]