31788520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{277}}^1$

素因数の和:458

約数の個数: 64

約数和(自身を含む): 76060800

約数和(自身を除く): 44272280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 151, 152, 190, 277, 302, 380, 554, 604, 755, 760, 1108, 1208, 1385, 1510, 2216, 2770, 2869, 3020, 5263, 5540, 5738, 6040, 10526, 11080, 11476, 14345, 21052, 22952, 26315, 28690, 41827, 42104, 52630, 57380, 83654, 105260, 114760, 167308, 209135, 210520, 334616, 418270, 794713, 836540, 1589426, 1673080, 3178852, 3973565, 6357704, 7947130, 15894260, 31788520]

約数ペア:

[(1, 31788520), (2, 15894260), (4, 7947130), (5, 6357704), (8, 3973565), (10, 3178852), (19, 1673080), (20, 1589426), (38, 836540), (40, 794713), (76, 418270), (95, 334616), (151, 210520), (152, 209135), (190, 167308), (277, 114760), (302, 105260), (380, 83654), (554, 57380), (604, 52630), (755, 42104), (760, 41827), (1108, 28690), (1208, 26315), (1385, 22952), (1510, 21052), (2216, 14345), (2770, 11476), (2869, 11080), (3020, 10526), (5263, 6040), (5540, 5738)]