7111020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{16931}}^1$

素因数の和:16950

約数の個数: 48

約数和(自身を含む): 22756608

約数和(自身を除く): 15645588

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 16931, 33862, 50793, 67724, 84655, 101586, 118517, 169310, 203172, 237034, 253965, 338620, 355551, 474068, 507930, 592585, 711102, 1015860, 1185170, 1422204, 1777755, 2370340, 3555510, 7111020]

約数ペア:

[(1, 7111020), (2, 3555510), (3, 2370340), (4, 1777755), (5, 1422204), (6, 1185170), (7, 1015860), (10, 711102), (12, 592585), (14, 507930), (15, 474068), (20, 355551), (21, 338620), (28, 253965), (30, 237034), (35, 203172), (42, 169310), (60, 118517), (70, 101586), (84, 84655), (105, 67724), (140, 50793), (210, 33862), (420, 16931)]