7318220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4021}}^1$

素因数の和:4050

約数の個数: 48

約数和(自身を含む): 18919488

約数和(自身を除く): 11601268

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, 4021, 8042, 16084, 20105, 28147, 40210, 52273, 56294, 80420, 104546, 112588, 140735, 209092, 261365, 281470, 365911, 522730, 562940, 731822, 1045460, 1463644, 1829555, 3659110, 7318220]

約数ペア:

[(1, 7318220), (2, 3659110), (4, 1829555), (5, 1463644), (7, 1045460), (10, 731822), (13, 562940), (14, 522730), (20, 365911), (26, 281470), (28, 261365), (35, 209092), (52, 140735), (65, 112588), (70, 104546), (91, 80420), (130, 56294), (140, 52273), (182, 40210), (260, 28147), (364, 20105), (455, 16084), (910, 8042), (1820, 4021)]