2198420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{383}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 5419008

約数和(自身を除く): 3220588

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 383, 410, 574, 766, 820, 1148, 1435, 1532, 1915, 2681, 2870, 3830, 5362, 5740, 7660, 10724, 13405, 15703, 26810, 31406, 53620, 62812, 78515, 109921, 157030, 219842, 314060, 439684, 549605, 1099210, 2198420]

約数ペア:

[(1, 2198420), (2, 1099210), (4, 549605), (5, 439684), (7, 314060), (10, 219842), (14, 157030), (20, 109921), (28, 78515), (35, 62812), (41, 53620), (70, 31406), (82, 26810), (140, 15703), (164, 13405), (205, 10724), (287, 7660), (383, 5740), (410, 5362), (574, 3830), (766, 2870), (820, 2681), (1148, 1915), (1435, 1532)]