2149059980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{54907}}^1$

素因数の和:55038

約数の個数: 48

約数和(自身を含む): 4796762880

約数和(自身を除く): 2647702900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 103, 190, 206, 380, 412, 515, 1030, 1957, 2060, 3914, 7828, 9785, 19570, 39140, 54907, 109814, 219628, 274535, 549070, 1043233, 1098140, 2086466, 4172932, 5216165, 5655421, 10432330, 11310842, 20864660, 22621684, 28277105, 56554210, 107452999, 113108420, 214905998, 429811996, 537264995, 1074529990, 2149059980]

約数ペア:

[(1, 2149059980), (2, 1074529990), (4, 537264995), (5, 429811996), (10, 214905998), (19, 113108420), (20, 107452999), (38, 56554210), (76, 28277105), (95, 22621684), (103, 20864660), (190, 11310842), (206, 10432330), (380, 5655421), (412, 5216165), (515, 4172932), (1030, 2086466), (1957, 1098140), (2060, 1043233), (3914, 549070), (7828, 274535), (9785, 219628), (19570, 109814), (39140, 54907)]