3967580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 8981280

約数和(自身を除く): 5013700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 53, 76, 95, 106, 190, 197, 212, 265, 380, 394, 530, 788, 985, 1007, 1060, 1970, 2014, 3743, 3940, 4028, 5035, 7486, 10070, 10441, 14972, 18715, 20140, 20882, 37430, 41764, 52205, 74860, 104410, 198379, 208820, 396758, 793516, 991895, 1983790, 3967580]

約数ペア:

[(1, 3967580), (2, 1983790), (4, 991895), (5, 793516), (10, 396758), (19, 208820), (20, 198379), (38, 104410), (53, 74860), (76, 52205), (95, 41764), (106, 37430), (190, 20882), (197, 20140), (212, 18715), (265, 14972), (380, 10441), (394, 10070), (530, 7486), (788, 5035), (985, 4028), (1007, 3940), (1060, 3743), (1970, 2014)]