134640680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{509}}^1$

素因数の和:926

約数の個数: 64

約数和(自身を含む): 322218000

約数和(自身を除く): 187577320

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 389, 509, 680, 778, 1018, 1556, 1945, 2036, 2545, 3112, 3890, 4072, 5090, 6613, 7780, 8653, 10180, 13226, 15560, 17306, 20360, 26452, 33065, 34612, 43265, 52904, 66130, 69224, 86530, 132260, 173060, 198001, 264520, 346120, 396002, 792004, 990005, 1584008, 1980010, 3366017, 3960020, 6732034, 7920040, 13464068, 16830085, 26928136, 33660170, 67320340, 134640680]

約数ペア:

[(1, 134640680), (2, 67320340), (4, 33660170), (5, 26928136), (8, 16830085), (10, 13464068), (17, 7920040), (20, 6732034), (34, 3960020), (40, 3366017), (68, 1980010), (85, 1584008), (136, 990005), (170, 792004), (340, 396002), (389, 346120), (509, 264520), (680, 198001), (778, 173060), (1018, 132260), (1556, 86530), (1945, 69224), (2036, 66130), (2545, 52904), (3112, 43265), (3890, 34612), (4072, 33065), (5090, 26452), (6613, 20360), (7780, 17306), (8653, 15560), (10180, 13226)]