340308520

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{44543}}^1$

素因数の和:44745

約数の個数: 32

約数和(自身を含む): 769720320

約数和(自身を除く): 429411800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 3820, 7640, 44543, 89086, 178172, 222715, 356344, 445430, 890860, 1781720, 8507713, 17015426, 34030852, 42538565, 68061704, 85077130, 170154260, 340308520]

約数ペア:

[(1, 340308520), (2, 170154260), (4, 85077130), (5, 68061704), (8, 42538565), (10, 34030852), (20, 17015426), (40, 8507713), (191, 1781720), (382, 890860), (764, 445430), (955, 356344), (1528, 222715), (1910, 178172), (3820, 89086), (7640, 44543)]