1278130

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2$

素因数の和:95

約数の個数: 48

約数和(自身を含む): 2859840

約数和(自身を除く): 1581710

約数列:

[1, 2, 5, 7, 10, 14, 19, 31, 35, 38, 62, 70, 95, 133, 155, 190, 217, 266, 310, 434, 589, 665, 961, 1085, 1178, 1330, 1922, 2170, 2945, 4123, 4805, 5890, 6727, 8246, 9610, 13454, 18259, 20615, 33635, 36518, 41230, 67270, 91295, 127813, 182590, 255626, 639065, 1278130]

約数ペア:

[(1, 1278130), (2, 639065), (5, 255626), (7, 182590), (10, 127813), (14, 91295), (19, 67270), (31, 41230), (35, 36518), (38, 33635), (62, 20615), (70, 18259), (95, 13454), (133, 9610), (155, 8246), (190, 6727), (217, 5890), (266, 4805), (310, 4123), (434, 2945), (589, 2170), (665, 1922), (961, 1330), (1085, 1178)]