7219380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17189}}^1$

素因数の和:17208

約数の個数: 48

約数和(自身を含む): 23103360

約数和(自身を除く): 15883980

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, 17189, 34378, 51567, 68756, 85945, 103134, 120323, 171890, 206268, 240646, 257835, 343780, 360969, 481292, 515670, 601615, 721938, 1031340, 1203230, 1443876, 1804845, 2406460, 3609690, 7219380]

約数ペア:

[(1, 7219380), (2, 3609690), (3, 2406460), (4, 1804845), (5, 1443876), (6, 1203230), (7, 1031340), (10, 721938), (12, 601615), (14, 515670), (15, 481292), (20, 360969), (21, 343780), (28, 257835), (30, 240646), (35, 206268), (42, 171890), (60, 120323), (70, 103134), (84, 85945), (105, 68756), (140, 51567), (210, 34378), (420, 17189)]