2019955420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{2061179}}^1$

素因数の和:2061202

約数の個数: 36

約数和(自身を含む): 4934464920

約数和(自身を除く): 2914509500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 2061179, 4122358, 8244716, 10305895, 14428253, 20611790, 28856506, 41223580, 57713012, 72141265, 100997771, 144282530, 201995542, 288565060, 403991084, 504988855, 1009977710, 2019955420]

約数ペア:

[(1, 2019955420), (2, 1009977710), (4, 504988855), (5, 403991084), (7, 288565060), (10, 201995542), (14, 144282530), (20, 100997771), (28, 72141265), (35, 57713012), (49, 41223580), (70, 28856506), (98, 20611790), (140, 14428253), (196, 10305895), (245, 8244716), (490, 4122358), (980, 2061179)]