28904030

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{409}}^1$

素因数の和:644

約数の個数: 32

約数和(自身を含む): 53844480

約数和(自身を除く): 24940450

約数列:

[1, 2, 5, 10, 37, 74, 185, 191, 370, 382, 409, 818, 955, 1910, 2045, 4090, 7067, 14134, 15133, 30266, 35335, 70670, 75665, 78119, 151330, 156238, 390595, 781190, 2890403, 5780806, 14452015, 28904030]

約数ペア:

[(1, 28904030), (2, 14452015), (5, 5780806), (10, 2890403), (37, 781190), (74, 390595), (185, 156238), (191, 151330), (370, 78119), (382, 75665), (409, 70670), (818, 35335), (955, 30266), (1910, 15133), (2045, 14134), (4090, 7067)]