88270280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{315251}}^1$

素因数の和:315269

約数の個数: 32

約数和(自身を含む): 226981440

約数和(自身を除く): 138711160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 315251, 630502, 1261004, 1576255, 2206757, 2522008, 3152510, 4413514, 6305020, 8827028, 11033785, 12610040, 17654056, 22067570, 44135140, 88270280]

約数ペア:

[(1, 88270280), (2, 44135140), (4, 22067570), (5, 17654056), (7, 12610040), (8, 11033785), (10, 8827028), (14, 6305020), (20, 4413514), (28, 3152510), (35, 2522008), (40, 2206757), (56, 1576255), (70, 1261004), (140, 630502), (280, 315251)]