1808980

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{599}}^1$

素因数の和:759

約数の個数: 24

約数和(自身を含む): 3830400

約数和(自身を除く): 2021420

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 599, 604, 755, 1198, 1510, 2396, 2995, 3020, 5990, 11980, 90449, 180898, 361796, 452245, 904490, 1808980]

約数ペア:

[(1, 1808980), (2, 904490), (4, 452245), (5, 361796), (10, 180898), (20, 90449), (151, 11980), (302, 5990), (599, 3020), (604, 2995), (755, 2396), (1198, 1510)]