214738440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{255641}}^1$

素因数の和:255662

約数の個数: 64

約数和(自身を含む): 736248960

約数和(自身を除く): 521510520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 255641, 511282, 766923, 1022564, 1278205, 1533846, 1789487, 2045128, 2556410, 3067692, 3578974, 3834615, 5112820, 5368461, 6135384, 7157948, 7669230, 8947435, 10225640, 10736922, 14315896, 15338460, 17894870, 21473844, 26842305, 30676920, 35789740, 42947688, 53684610, 71579480, 107369220, 214738440]

約数ペア:

[(1, 214738440), (2, 107369220), (3, 71579480), (4, 53684610), (5, 42947688), (6, 35789740), (7, 30676920), (8, 26842305), (10, 21473844), (12, 17894870), (14, 15338460), (15, 14315896), (20, 10736922), (21, 10225640), (24, 8947435), (28, 7669230), (30, 7157948), (35, 6135384), (40, 5368461), (42, 5112820), (56, 3834615), (60, 3578974), (70, 3067692), (84, 2556410), (105, 2045128), (120, 1789487), (140, 1533846), (168, 1278205), (210, 1022564), (280, 766923), (420, 511282), (840, 255641)]