68439140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2339}}^1$

素因数の和:2385

約数の個数: 96

約数和(自身を含む): 188697600

約数和(自身を除く): 120258460

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 19, 20, 22, 28, 35, 38, 44, 55, 70, 76, 77, 95, 110, 133, 140, 154, 190, 209, 220, 266, 308, 380, 385, 418, 532, 665, 770, 836, 1045, 1330, 1463, 1540, 2090, 2339, 2660, 2926, 4180, 4678, 5852, 7315, 9356, 11695, 14630, 16373, 23390, 25729, 29260, 32746, 44441, 46780, 51458, 65492, 81865, 88882, 102916, 128645, 163730, 177764, 180103, 222205, 257290, 311087, 327460, 360206, 444410, 488851, 514580, 622174, 720412, 888820, 900515, 977702, 1244348, 1555435, 1801030, 1955404, 2444255, 3110870, 3421957, 3602060, 4888510, 6221740, 6843914, 9777020, 13687828, 17109785, 34219570, 68439140]

約数ペア:

[(1, 68439140), (2, 34219570), (4, 17109785), (5, 13687828), (7, 9777020), (10, 6843914), (11, 6221740), (14, 4888510), (19, 3602060), (20, 3421957), (22, 3110870), (28, 2444255), (35, 1955404), (38, 1801030), (44, 1555435), (55, 1244348), (70, 977702), (76, 900515), (77, 888820), (95, 720412), (110, 622174), (133, 514580), (140, 488851), (154, 444410), (190, 360206), (209, 327460), (220, 311087), (266, 257290), (308, 222205), (380, 180103), (385, 177764), (418, 163730), (532, 128645), (665, 102916), (770, 88882), (836, 81865), (1045, 65492), (1330, 51458), (1463, 46780), (1540, 44441), (2090, 32746), (2339, 29260), (2660, 25729), (2926, 23390), (4180, 16373), (4678, 14630), (5852, 11695), (7315, 9356)]