4396840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{383}}^1$

素因数の和:442

約数の個数: 64

約数和(自身を含む): 11612160

約数和(自身を除く): 7215320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 82, 140, 164, 205, 280, 287, 328, 383, 410, 574, 766, 820, 1148, 1435, 1532, 1640, 1915, 2296, 2681, 2870, 3064, 3830, 5362, 5740, 7660, 10724, 11480, 13405, 15320, 15703, 21448, 26810, 31406, 53620, 62812, 78515, 107240, 109921, 125624, 157030, 219842, 314060, 439684, 549605, 628120, 879368, 1099210, 2198420, 4396840]

約数ペア:

[(1, 4396840), (2, 2198420), (4, 1099210), (5, 879368), (7, 628120), (8, 549605), (10, 439684), (14, 314060), (20, 219842), (28, 157030), (35, 125624), (40, 109921), (41, 107240), (56, 78515), (70, 62812), (82, 53620), (140, 31406), (164, 26810), (205, 21448), (280, 15703), (287, 15320), (328, 13405), (383, 11480), (410, 10724), (574, 7660), (766, 5740), (820, 5362), (1148, 3830), (1435, 3064), (1532, 2870), (1640, 2681), (1915, 2296)]