149308520

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{19543}}^1$

素因数の和:19745

約数の個数: 32

約数和(自身を含む): 337720320

約数和(自身を除く): 188411800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 3820, 7640, 19543, 39086, 78172, 97715, 156344, 195430, 390860, 781720, 3732713, 7465426, 14930852, 18663565, 29861704, 37327130, 74654260, 149308520]

約数ペア:

[(1, 149308520), (2, 74654260), (4, 37327130), (5, 29861704), (8, 18663565), (10, 14930852), (20, 7465426), (40, 3732713), (191, 781720), (382, 390860), (764, 195430), (955, 156344), (1528, 97715), (1910, 78172), (3820, 39086), (7640, 19543)]