1294908520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1\times {\mathrm{6151}}^1$

素因数の和:6458

約数の個数: 64

約数和(自身を含む): 3078460800

約数和(自身を除く): 1783552280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 277, 380, 554, 760, 1108, 1385, 2216, 2770, 5263, 5540, 6151, 10526, 11080, 12302, 21052, 24604, 26315, 30755, 42104, 49208, 52630, 61510, 105260, 116869, 123020, 210520, 233738, 246040, 467476, 584345, 934952, 1168690, 1703827, 2337380, 3407654, 4674760, 6815308, 8519135, 13630616, 17038270, 32372713, 34076540, 64745426, 68153080, 129490852, 161863565, 258981704, 323727130, 647454260, 1294908520]

約数ペア:

[(1, 1294908520), (2, 647454260), (4, 323727130), (5, 258981704), (8, 161863565), (10, 129490852), (19, 68153080), (20, 64745426), (38, 34076540), (40, 32372713), (76, 17038270), (95, 13630616), (152, 8519135), (190, 6815308), (277, 4674760), (380, 3407654), (554, 2337380), (760, 1703827), (1108, 1168690), (1385, 934952), (2216, 584345), (2770, 467476), (5263, 246040), (5540, 233738), (6151, 210520), (10526, 123020), (11080, 116869), (12302, 105260), (21052, 61510), (24604, 52630), (26315, 49208), (30755, 42104)]