7150780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3929}}^1$

素因数の和:3958

約数の個数: 48

約数和(自身を含む): 18486720

約数和(自身を除く): 11335940

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 3929, 7858, 15716, 19645, 27503, 39290, 51077, 55006, 78580, 102154, 110012, 137515, 204308, 255385, 275030, 357539, 510770, 550060, 715078, 1021540, 1430156, 1787695, 3575390, 7150780]

約数ペア:

[(1, 7150780), (2, 3575390), (4, 1787695), (5, 1430156), (7, 1021540), (10, 715078), (13, 550060), (14, 510770), (20, 357539), (26, 275030), (28, 255385), (35, 204308), (52, 137515), (65, 110012), (70, 102154), (91, 78580), (130, 55006), (140, 51077), (182, 39290), (260, 27503), (364, 19645), (455, 15716), (910, 7858), (1820, 3929)]