248346280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{68227}}^1$

素因数の和:68258

約数の個数: 64

約数和(自身を含む): 687738240

約数和(自身を除く): 439391960

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 68227, 136454, 272908, 341135, 477589, 545816, 682270, 886951, 955178, 1364540, 1773902, 1910356, 2387945, 2729080, 3547804, 3820712, 4434755, 4775890, 6208657, 7095608, 8869510, 9551780, 12417314, 17739020, 19103560, 24834628, 31043285, 35478040, 49669256, 62086570, 124173140, 248346280]

約数ペア:

[(1, 248346280), (2, 124173140), (4, 62086570), (5, 49669256), (7, 35478040), (8, 31043285), (10, 24834628), (13, 19103560), (14, 17739020), (20, 12417314), (26, 9551780), (28, 8869510), (35, 7095608), (40, 6208657), (52, 4775890), (56, 4434755), (65, 3820712), (70, 3547804), (91, 2729080), (104, 2387945), (130, 1910356), (140, 1773902), (182, 1364540), (260, 955178), (280, 886951), (364, 682270), (455, 545816), (520, 477589), (728, 341135), (910, 272908), (1820, 136454), (3640, 68227)]