393476580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{312283}}^1$

素因数の和:312305

約数の個数: 72

約数和(自身を含む): 1364056512

約数和(自身を除く): 970579932

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 312283, 624566, 936849, 1249132, 1561415, 1873698, 2185981, 2810547, 3122830, 3747396, 4371962, 4684245, 5621094, 6245660, 6557943, 8743924, 9368490, 10929905, 11242188, 13115886, 14052735, 18736980, 19673829, 21859810, 26231772, 28105470, 32789715, 39347658, 43719620, 56210940, 65579430, 78695316, 98369145, 131158860, 196738290, 393476580]

約数ペア:

[(1, 393476580), (2, 196738290), (3, 131158860), (4, 98369145), (5, 78695316), (6, 65579430), (7, 56210940), (9, 43719620), (10, 39347658), (12, 32789715), (14, 28105470), (15, 26231772), (18, 21859810), (20, 19673829), (21, 18736980), (28, 14052735), (30, 13115886), (35, 11242188), (36, 10929905), (42, 9368490), (45, 8743924), (60, 6557943), (63, 6245660), (70, 5621094), (84, 4684245), (90, 4371962), (105, 3747396), (126, 3122830), (140, 2810547), (180, 2185981), (210, 1873698), (252, 1561415), (315, 1249132), (420, 936849), (630, 624566), (1260, 312283)]