905048240

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{390107}}^1$

素因数の和:390149

約数の個数: 40

約数和(自身を含む): 2176802640

約数和(自身を除く): 1271754400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 390107, 780214, 1560428, 1950535, 3120856, 3901070, 6241712, 7802140, 11313103, 15604280, 22626206, 31208560, 45252412, 56565515, 90504824, 113131030, 181009648, 226262060, 452524120, 905048240]

約数ペア:

[(1, 905048240), (2, 452524120), (4, 226262060), (5, 181009648), (8, 113131030), (10, 90504824), (16, 56565515), (20, 45252412), (29, 31208560), (40, 22626206), (58, 15604280), (80, 11313103), (116, 7802140), (145, 6241712), (232, 3901070), (290, 3120856), (464, 1950535), (580, 1560428), (1160, 780214), (2320, 390107)]