1943340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{661}}^1$

素因数の和:687

約数の個数: 72

約数和(自身を含む): 6339312

約数和(自身を除く): 4395972

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 661, 735, 980, 1322, 1470, 1983, 2644, 2940, 3305, 3966, 4627, 6610, 7932, 9254, 9915, 13220, 13881, 18508, 19830, 23135, 27762, 32389, 39660, 46270, 55524, 64778, 69405, 92540, 97167, 129556, 138810, 161945, 194334, 277620, 323890, 388668, 485835, 647780, 971670, 1943340]

約数ペア:

[(1, 1943340), (2, 971670), (3, 647780), (4, 485835), (5, 388668), (6, 323890), (7, 277620), (10, 194334), (12, 161945), (14, 138810), (15, 129556), (20, 97167), (21, 92540), (28, 69405), (30, 64778), (35, 55524), (42, 46270), (49, 39660), (60, 32389), (70, 27762), (84, 23135), (98, 19830), (105, 18508), (140, 13881), (147, 13220), (196, 9915), (210, 9254), (245, 7932), (294, 6610), (420, 4627), (490, 3966), (588, 3305), (661, 2940), (735, 2644), (980, 1983), (1322, 1470)]