987420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{2351}}^1$

素因数の和:2370

約数の個数: 48

約数和(自身を含む): 3161088

約数和(自身を除く): 2173668

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, 2351, 4702, 7053, 9404, 11755, 14106, 16457, 23510, 28212, 32914, 35265, 47020, 49371, 65828, 70530, 82285, 98742, 141060, 164570, 197484, 246855, 329140, 493710, 987420]

約数ペア:

[(1, 987420), (2, 493710), (3, 329140), (4, 246855), (5, 197484), (6, 164570), (7, 141060), (10, 98742), (12, 82285), (14, 70530), (15, 65828), (20, 49371), (21, 47020), (28, 35265), (30, 32914), (35, 28212), (42, 23510), (60, 16457), (70, 14106), (84, 11755), (105, 9404), (140, 7053), (210, 4702), (420, 2351)]