2977205

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:90

約数の個数: 48

約数和(自身を含む): 4851840

約数和(自身を除く): 1874635

約数列:

[1, 5, 7, 11, 19, 35, 37, 55, 77, 95, 121, 133, 185, 209, 259, 385, 407, 605, 665, 703, 847, 1045, 1295, 1463, 2035, 2299, 2849, 3515, 4235, 4477, 4921, 7315, 7733, 11495, 14245, 16093, 22385, 24605, 31339, 38665, 54131, 80465, 85063, 156695, 270655, 425315, 595441, 2977205]

約数ペア:

[(1, 2977205), (5, 595441), (7, 425315), (11, 270655), (19, 156695), (35, 85063), (37, 80465), (55, 54131), (77, 38665), (95, 31339), (121, 24605), (133, 22385), (185, 16093), (209, 14245), (259, 11495), (385, 7733), (407, 7315), (605, 4921), (665, 4477), (703, 4235), (847, 3515), (1045, 2849), (1295, 2299), (1463, 2035)]