28241220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3539}}^1$

素因数の和:3577

約数の個数: 96

約数和(自身を含む): 95155200

約数和(自身を除く): 66913980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3539, 3990, 7078, 7980, 10617, 14156, 17695, 21234, 24773, 35390, 42468, 49546, 53085, 67241, 70780, 74319, 99092, 106170, 123865, 134482, 148638, 201723, 212340, 247730, 268964, 297276, 336205, 371595, 403446, 470687, 495460, 672410, 743190, 806892, 941374, 1008615, 1344820, 1412061, 1486380, 1882748, 2017230, 2353435, 2824122, 4034460, 4706870, 5648244, 7060305, 9413740, 14120610, 28241220]

約数ペア:

[(1, 28241220), (2, 14120610), (3, 9413740), (4, 7060305), (5, 5648244), (6, 4706870), (7, 4034460), (10, 2824122), (12, 2353435), (14, 2017230), (15, 1882748), (19, 1486380), (20, 1412061), (21, 1344820), (28, 1008615), (30, 941374), (35, 806892), (38, 743190), (42, 672410), (57, 495460), (60, 470687), (70, 403446), (76, 371595), (84, 336205), (95, 297276), (105, 268964), (114, 247730), (133, 212340), (140, 201723), (190, 148638), (210, 134482), (228, 123865), (266, 106170), (285, 99092), (380, 74319), (399, 70780), (420, 67241), (532, 53085), (570, 49546), (665, 42468), (798, 35390), (1140, 24773), (1330, 21234), (1596, 17695), (1995, 14156), (2660, 10617), (3539, 7980), (3990, 7078)]