303880

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:189

約数の個数: 32

約数和(自身を含む): 699840

約数和(自身を除く): 395960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 107, 142, 214, 284, 355, 428, 535, 568, 710, 856, 1070, 1420, 2140, 2840, 4280, 7597, 15194, 30388, 37985, 60776, 75970, 151940, 303880]

約数ペア:

[(1, 303880), (2, 151940), (4, 75970), (5, 60776), (8, 37985), (10, 30388), (20, 15194), (40, 7597), (71, 4280), (107, 2840), (142, 2140), (214, 1420), (284, 1070), (355, 856), (428, 710), (535, 568)]