117477780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{279709}}^1$

素因数の和:279728

約数の個数: 48

約数和(自身を含む): 375930240

約数和(自身を除く): 258452460

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, 279709, 559418, 839127, 1118836, 1398545, 1678254, 1957963, 2797090, 3356508, 3915926, 4195635, 5594180, 5873889, 7831852, 8391270, 9789815, 11747778, 16782540, 19579630, 23495556, 29369445, 39159260, 58738890, 117477780]

約数ペア:

[(1, 117477780), (2, 58738890), (3, 39159260), (4, 29369445), (5, 23495556), (6, 19579630), (7, 16782540), (10, 11747778), (12, 9789815), (14, 8391270), (15, 7831852), (20, 5873889), (21, 5594180), (28, 4195635), (30, 3915926), (35, 3356508), (42, 2797090), (60, 1957963), (70, 1678254), (84, 1398545), (105, 1118836), (140, 839127), (210, 559418), (420, 279709)]