268386440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{958523}}^1$

素因数の和:958541

約数の個数: 32

約数和(自身を含む): 690137280

約数和(自身を除く): 421750840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 958523, 1917046, 3834092, 4792615, 6709661, 7668184, 9585230, 13419322, 19170460, 26838644, 33548305, 38340920, 53677288, 67096610, 134193220, 268386440]

約数ペア:

[(1, 268386440), (2, 134193220), (4, 67096610), (5, 53677288), (7, 38340920), (8, 33548305), (10, 26838644), (14, 19170460), (20, 13419322), (28, 9585230), (35, 7668184), (40, 6709661), (56, 4792615), (70, 3834092), (140, 1917046), (280, 958523)]