172443380

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{121439}}^1$

素因数の和:121519

約数の個数: 24

約数和(自身を含む): 367234560

約数和(自身を除く): 194791180

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 121439, 242878, 485756, 607195, 1214390, 2428780, 8622169, 17244338, 34488676, 43110845, 86221690, 172443380]

約数ペア:

[(1, 172443380), (2, 86221690), (4, 43110845), (5, 34488676), (10, 17244338), (20, 8622169), (71, 2428780), (142, 1214390), (284, 607195), (355, 485756), (710, 242878), (1420, 121439)]