127983990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{250949}}^1$

素因数の和:250976

約数の個数: 32

約数和(自身を含む): 325231200

約数和(自身を除く): 197247210

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 250949, 501898, 752847, 1254745, 1505694, 2509490, 3764235, 4266133, 7528470, 8532266, 12798399, 21330665, 25596798, 42661330, 63991995, 127983990]

約数ペア:

[(1, 127983990), (2, 63991995), (3, 42661330), (5, 25596798), (6, 21330665), (10, 12798399), (15, 8532266), (17, 7528470), (30, 4266133), (34, 3764235), (51, 2509490), (85, 1505694), (102, 1254745), (170, 752847), (255, 501898), (510, 250949)]