308272040

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{126341}}^1$

素因数の和:126413

約数の個数: 32

約数和(自身を含む): 704988360

約数和(自身を除く): 396716320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 126341, 252682, 505364, 631705, 1010728, 1263410, 2526820, 5053640, 7706801, 15413602, 30827204, 38534005, 61654408, 77068010, 154136020, 308272040]

約数ペア:

[(1, 308272040), (2, 154136020), (4, 77068010), (5, 61654408), (8, 38534005), (10, 30827204), (20, 15413602), (40, 7706801), (61, 5053640), (122, 2526820), (244, 1263410), (305, 1010728), (488, 631705), (610, 505364), (1220, 252682), (2440, 126341)]