28722750

素因数分解:

$2^1\times 3^1\times 5^3\times 7^1\times {\mathrm{5471}}^1$

素因数の和:5498

約数の個数: 64

約数和(自身を含む): 81948672

約数和(自身を除く): 53225922

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 70, 75, 105, 125, 150, 175, 210, 250, 350, 375, 525, 750, 875, 1050, 1750, 2625, 5250, 5471, 10942, 16413, 27355, 32826, 38297, 54710, 76594, 82065, 114891, 136775, 164130, 191485, 229782, 273550, 382970, 410325, 574455, 683875, 820650, 957425, 1148910, 1367750, 1914850, 2051625, 2872275, 4103250, 4787125, 5744550, 9574250, 14361375, 28722750]

約数ペア:

[(1, 28722750), (2, 14361375), (3, 9574250), (5, 5744550), (6, 4787125), (7, 4103250), (10, 2872275), (14, 2051625), (15, 1914850), (21, 1367750), (25, 1148910), (30, 957425), (35, 820650), (42, 683875), (50, 574455), (70, 410325), (75, 382970), (105, 273550), (125, 229782), (150, 191485), (175, 164130), (210, 136775), (250, 114891), (350, 82065), (375, 76594), (525, 54710), (750, 38297), (875, 32826), (1050, 27355), (1750, 16413), (2625, 10942), (5250, 5471)]