389436180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{927229}}^1$

素因数の和:927248

約数の個数: 48

約数和(自身を含む): 1246197120

約数和(自身を除く): 856760940

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, 927229, 1854458, 2781687, 3708916, 4636145, 5563374, 6490603, 9272290, 11126748, 12981206, 13908435, 18544580, 19471809, 25962412, 27816870, 32453015, 38943618, 55633740, 64906030, 77887236, 97359045, 129812060, 194718090, 389436180]

約数ペア:

[(1, 389436180), (2, 194718090), (3, 129812060), (4, 97359045), (5, 77887236), (6, 64906030), (7, 55633740), (10, 38943618), (12, 32453015), (14, 27816870), (15, 25962412), (20, 19471809), (21, 18544580), (28, 13908435), (30, 12981206), (35, 11126748), (42, 9272290), (60, 6490603), (70, 5563374), (84, 4636145), (105, 3708916), (140, 2781687), (210, 1854458), (420, 927229)]