394426980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{2191261}}^1$

素因数の和:2191276

約数の個数: 36

約数和(自身を含む): 1196429052

約数和(自身を除く): 802002072

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 2191261, 4382522, 6573783, 8765044, 10956305, 13147566, 19721349, 21912610, 26295132, 32868915, 39442698, 43825220, 65737830, 78885396, 98606745, 131475660, 197213490, 394426980]

約数ペア:

[(1, 394426980), (2, 197213490), (3, 131475660), (4, 98606745), (5, 78885396), (6, 65737830), (9, 43825220), (10, 39442698), (12, 32868915), (15, 26295132), (18, 21912610), (20, 19721349), (30, 13147566), (36, 10956305), (45, 8765044), (60, 6573783), (90, 4382522), (180, 2191261)]