285351780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{679409}}^1$

素因数の和:679428

約数の個数: 48

約数和(自身を含む): 913127040

約数和(自身を除く): 627775260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 679409, 1358818, 2038227, 2717636, 3397045, 4076454, 4755863, 6794090, 8152908, 9511726, 10191135, 13588180, 14267589, 19023452, 20382270, 23779315, 28535178, 40764540, 47558630, 57070356, 71337945, 95117260, 142675890, 285351780]

約数ペア:

[(1, 285351780), (2, 142675890), (3, 95117260), (4, 71337945), (5, 57070356), (6, 47558630), (7, 40764540), (10, 28535178), (12, 23779315), (14, 20382270), (15, 19023452), (20, 14267589), (21, 13588180), (28, 10191135), (30, 9511726), (35, 8152908), (42, 6794090), (60, 4755863), (70, 4076454), (84, 3397045), (105, 2717636), (140, 2038227), (210, 1358818), (420, 679409)]