123745890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{242639}}^1$

素因数の和:242666

約数の個数: 32

約数和(自身を含む): 314461440

約数和(自身を除く): 190715550

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 242639, 485278, 727917, 1213195, 1455834, 2426390, 3639585, 4124863, 7279170, 8249726, 12374589, 20624315, 24749178, 41248630, 61872945, 123745890]

約数ペア:

[(1, 123745890), (2, 61872945), (3, 41248630), (5, 24749178), (6, 20624315), (10, 12374589), (15, 8249726), (17, 7279170), (30, 4124863), (34, 3639585), (51, 2426390), (85, 1455834), (102, 1213195), (170, 727917), (255, 485278), (510, 242639)]