151940

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:187

約数の個数: 24

約数和(自身を含む): 326592

約数和(自身を除く): 174652

約数列:

[1, 2, 4, 5, 10, 20, 71, 107, 142, 214, 284, 355, 428, 535, 710, 1070, 1420, 2140, 7597, 15194, 30388, 37985, 75970, 151940]

約数ペア:

[(1, 151940), (2, 75970), (4, 37985), (5, 30388), (10, 15194), (20, 7597), (71, 2140), (107, 1420), (142, 1070), (214, 710), (284, 535), (355, 428)]