28849240

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{359}}^1$

素因数の和:425

約数の個数: 96

約数和(自身を含む): 77565600

約数和(自身を除く): 48716360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 49, 56, 70, 82, 98, 140, 164, 196, 205, 245, 280, 287, 328, 359, 392, 410, 490, 574, 718, 820, 980, 1148, 1435, 1436, 1640, 1795, 1960, 2009, 2296, 2513, 2870, 2872, 3590, 4018, 5026, 5740, 7180, 8036, 10045, 10052, 11480, 12565, 14360, 14719, 16072, 17591, 20090, 20104, 25130, 29438, 35182, 40180, 50260, 58876, 70364, 73595, 80360, 87955, 100520, 103033, 117752, 140728, 147190, 175910, 206066, 294380, 351820, 412132, 515165, 588760, 703640, 721231, 824264, 1030330, 1442462, 2060660, 2884924, 3606155, 4121320, 5769848, 7212310, 14424620, 28849240]

約数ペア:

[(1, 28849240), (2, 14424620), (4, 7212310), (5, 5769848), (7, 4121320), (8, 3606155), (10, 2884924), (14, 2060660), (20, 1442462), (28, 1030330), (35, 824264), (40, 721231), (41, 703640), (49, 588760), (56, 515165), (70, 412132), (82, 351820), (98, 294380), (140, 206066), (164, 175910), (196, 147190), (205, 140728), (245, 117752), (280, 103033), (287, 100520), (328, 87955), (359, 80360), (392, 73595), (410, 70364), (490, 58876), (574, 50260), (718, 40180), (820, 35182), (980, 29438), (1148, 25130), (1435, 20104), (1436, 20090), (1640, 17591), (1795, 16072), (1960, 14719), (2009, 14360), (2296, 12565), (2513, 11480), (2870, 10052), (2872, 10045), (3590, 8036), (4018, 7180), (5026, 5740)]