1888460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:111

約数の個数: 72

約数和(自身を含む): 4826304

約数和(自身を除く): 2937844

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 47, 49, 70, 82, 94, 98, 140, 164, 188, 196, 205, 235, 245, 287, 329, 410, 470, 490, 574, 658, 820, 940, 980, 1148, 1316, 1435, 1645, 1927, 2009, 2303, 2870, 3290, 3854, 4018, 4606, 5740, 6580, 7708, 8036, 9212, 9635, 10045, 11515, 13489, 19270, 20090, 23030, 26978, 38540, 40180, 46060, 53956, 67445, 94423, 134890, 188846, 269780, 377692, 472115, 944230, 1888460]

約数ペア:

[(1, 1888460), (2, 944230), (4, 472115), (5, 377692), (7, 269780), (10, 188846), (14, 134890), (20, 94423), (28, 67445), (35, 53956), (41, 46060), (47, 40180), (49, 38540), (70, 26978), (82, 23030), (94, 20090), (98, 19270), (140, 13489), (164, 11515), (188, 10045), (196, 9635), (205, 9212), (235, 8036), (245, 7708), (287, 6580), (329, 5740), (410, 4606), (470, 4018), (490, 3854), (574, 3290), (658, 2870), (820, 2303), (940, 2009), (980, 1927), (1148, 1645), (1316, 1435)]