1694967440

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{194377}}^1$

素因数の和:194499

約数の個数: 40

約数和(自身を含む): 3976973880

約数和(自身を除く): 2282006440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 8720, 194377, 388754, 777508, 971885, 1555016, 1943770, 3110032, 3887540, 7775080, 15550160, 21187093, 42374186, 84748372, 105935465, 169496744, 211870930, 338993488, 423741860, 847483720, 1694967440]

約数ペア:

[(1, 1694967440), (2, 847483720), (4, 423741860), (5, 338993488), (8, 211870930), (10, 169496744), (16, 105935465), (20, 84748372), (40, 42374186), (80, 21187093), (109, 15550160), (218, 7775080), (436, 3887540), (545, 3110032), (872, 1943770), (1090, 1555016), (1744, 971885), (2180, 777508), (4360, 388754), (8720, 194377)]