171829940

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{121007}}^1$

素因数の和:121087

約数の個数: 24

約数和(自身を含む): 365928192

約数和(自身を除く): 194098252

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 121007, 242014, 484028, 605035, 1210070, 2420140, 8591497, 17182994, 34365988, 42957485, 85914970, 171829940]

約数ペア:

[(1, 171829940), (2, 85914970), (4, 42957485), (5, 34365988), (10, 17182994), (20, 8591497), (71, 2420140), (142, 1210070), (284, 605035), (355, 484028), (710, 242014), (1420, 121007)]