804402380

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{398219}}^1$

素因数の和:398329

約数の個数: 24

約数和(自身を含む): 1705974480

約数和(自身を除く): 901572100

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 398219, 796438, 1592876, 1991095, 3982190, 7964380, 40220119, 80440238, 160880476, 201100595, 402201190, 804402380]

約数ペア:

[(1, 804402380), (2, 402201190), (4, 201100595), (5, 160880476), (10, 80440238), (20, 40220119), (101, 7964380), (202, 3982190), (404, 1991095), (505, 1592876), (1010, 796438), (2020, 398219)]