28549850

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{271}}^1$

素因数の和:340

約数の個数: 72

約数和(自身を含む): 63442368

約数和(自身を除く): 34892518

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 43, 49, 50, 70, 86, 98, 175, 215, 245, 271, 301, 350, 430, 490, 542, 602, 1075, 1225, 1355, 1505, 1897, 2107, 2150, 2450, 2710, 3010, 3794, 4214, 6775, 7525, 9485, 10535, 11653, 13279, 13550, 15050, 18970, 21070, 23306, 26558, 47425, 52675, 58265, 66395, 81571, 94850, 105350, 116530, 132790, 163142, 291325, 331975, 407855, 570997, 582650, 663950, 815710, 1141994, 2039275, 2854985, 4078550, 5709970, 14274925, 28549850]

約数ペア:

[(1, 28549850), (2, 14274925), (5, 5709970), (7, 4078550), (10, 2854985), (14, 2039275), (25, 1141994), (35, 815710), (43, 663950), (49, 582650), (50, 570997), (70, 407855), (86, 331975), (98, 291325), (175, 163142), (215, 132790), (245, 116530), (271, 105350), (301, 94850), (350, 81571), (430, 66395), (490, 58265), (542, 52675), (602, 47425), (1075, 26558), (1225, 23306), (1355, 21070), (1505, 18970), (1897, 15050), (2107, 13550), (2150, 13279), (2450, 11653), (2710, 10535), (3010, 9485), (3794, 7525), (4214, 6775)]