1337180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:198

約数の個数: 48

約数和(自身を含む): 3128160

約数和(自身を除く): 1790980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 139, 148, 185, 260, 278, 370, 481, 556, 695, 740, 962, 1390, 1807, 1924, 2405, 2780, 3614, 4810, 5143, 7228, 9035, 9620, 10286, 18070, 20572, 25715, 36140, 51430, 66859, 102860, 133718, 267436, 334295, 668590, 1337180]

約数ペア:

[(1, 1337180), (2, 668590), (4, 334295), (5, 267436), (10, 133718), (13, 102860), (20, 66859), (26, 51430), (37, 36140), (52, 25715), (65, 20572), (74, 18070), (130, 10286), (139, 9620), (148, 9035), (185, 7228), (260, 5143), (278, 4810), (370, 3614), (481, 2780), (556, 2405), (695, 1924), (740, 1807), (962, 1390)]