889540120

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{453847}}^1$

素因数の和:453872

約数の個数: 48

約数和(自身を含む): 2328240240

約数和(自身を除く): 1438700120

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, 1960, 453847, 907694, 1815388, 2269235, 3176929, 3630776, 4538470, 6353858, 9076940, 12707716, 15884645, 18153880, 22238503, 25415432, 31769290, 44477006, 63538580, 88954012, 111192515, 127077160, 177908024, 222385030, 444770060, 889540120]

約数ペア:

[(1, 889540120), (2, 444770060), (4, 222385030), (5, 177908024), (7, 127077160), (8, 111192515), (10, 88954012), (14, 63538580), (20, 44477006), (28, 31769290), (35, 25415432), (40, 22238503), (49, 18153880), (56, 15884645), (70, 12707716), (98, 9076940), (140, 6353858), (196, 4538470), (245, 3630776), (280, 3176929), (392, 2269235), (490, 1815388), (980, 907694), (1960, 453847)]