208565560

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{106411}}^1$

素因数の和:106436

約数の個数: 48

約数和(自身を含む): 545893560

約数和(自身を除く): 337328000

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, 106411, 212822, 425644, 532055, 744877, 851288, 1064110, 1489754, 2128220, 2979508, 3724385, 4256440, 5214139, 5959016, 7448770, 10428278, 14897540, 20856556, 26070695, 29795080, 41713112, 52141390, 104282780, 208565560]

約数ペア:

[(1, 208565560), (2, 104282780), (4, 52141390), (5, 41713112), (7, 29795080), (8, 26070695), (10, 20856556), (14, 14897540), (20, 10428278), (28, 7448770), (35, 5959016), (40, 5214139), (49, 4256440), (56, 3724385), (70, 2979508), (98, 2128220), (140, 1489754), (196, 1064110), (245, 851288), (280, 744877), (392, 532055), (490, 425644), (980, 212822), (1960, 106411)]