2259880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{1153}}^1$

素因数の和:1178

約数の個数: 48

約数和(自身を含む): 5920020

約数和(自身を除く): 3660140

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1153, 1960, 2306, 4612, 5765, 8071, 9224, 11530, 16142, 23060, 32284, 40355, 46120, 56497, 64568, 80710, 112994, 161420, 225988, 282485, 322840, 451976, 564970, 1129940, 2259880]

約数ペア:

[(1, 2259880), (2, 1129940), (4, 564970), (5, 451976), (7, 322840), (8, 282485), (10, 225988), (14, 161420), (20, 112994), (28, 80710), (35, 64568), (40, 56497), (49, 46120), (56, 40355), (70, 32284), (98, 23060), (140, 16142), (196, 11530), (245, 9224), (280, 8071), (392, 5765), (490, 4612), (980, 2306), (1153, 1960)]