2758040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{191}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 6583680

約数和(自身を除く): 3825640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 191, 361, 380, 382, 722, 760, 764, 955, 1444, 1528, 1805, 1910, 2888, 3610, 3629, 3820, 7220, 7258, 7640, 14440, 14516, 18145, 29032, 36290, 68951, 72580, 137902, 145160, 275804, 344755, 551608, 689510, 1379020, 2758040]

約数ペア:

[(1, 2758040), (2, 1379020), (4, 689510), (5, 551608), (8, 344755), (10, 275804), (19, 145160), (20, 137902), (38, 72580), (40, 68951), (76, 36290), (95, 29032), (152, 18145), (190, 14516), (191, 14440), (361, 7640), (380, 7258), (382, 7220), (722, 3820), (760, 3629), (764, 3610), (955, 2888), (1444, 1910), (1528, 1805)]