38782520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{421}}^1$

素因数の和:493

約数の個数: 96

約数和(自身を含む): 103913280

約数和(自身を除く): 65130760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 49, 56, 70, 94, 98, 140, 188, 196, 235, 245, 280, 329, 376, 392, 421, 470, 490, 658, 842, 940, 980, 1316, 1645, 1684, 1880, 1960, 2105, 2303, 2632, 2947, 3290, 3368, 4210, 4606, 5894, 6580, 8420, 9212, 11515, 11788, 13160, 14735, 16840, 18424, 19787, 20629, 23030, 23576, 29470, 39574, 41258, 46060, 58940, 79148, 82516, 92120, 98935, 103145, 117880, 138509, 158296, 165032, 197870, 206290, 277018, 395740, 412580, 554036, 692545, 791480, 825160, 969563, 1108072, 1385090, 1939126, 2770180, 3878252, 4847815, 5540360, 7756504, 9695630, 19391260, 38782520]

約数ペア:

[(1, 38782520), (2, 19391260), (4, 9695630), (5, 7756504), (7, 5540360), (8, 4847815), (10, 3878252), (14, 2770180), (20, 1939126), (28, 1385090), (35, 1108072), (40, 969563), (47, 825160), (49, 791480), (56, 692545), (70, 554036), (94, 412580), (98, 395740), (140, 277018), (188, 206290), (196, 197870), (235, 165032), (245, 158296), (280, 138509), (329, 117880), (376, 103145), (392, 98935), (421, 92120), (470, 82516), (490, 79148), (658, 58940), (842, 46060), (940, 41258), (980, 39574), (1316, 29470), (1645, 23576), (1684, 23030), (1880, 20629), (1960, 19787), (2105, 18424), (2303, 16840), (2632, 14735), (2947, 13160), (3290, 11788), (3368, 11515), (4210, 9212), (4606, 8420), (5894, 6580)]