2181550

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1$

素因数の和:313

約数の個数: 48

約数和(自身を含む): 4856832

約数和(自身を除く): 2675282

約数列:

[1, 2, 5, 7, 10, 14, 23, 25, 35, 46, 50, 70, 115, 161, 175, 230, 271, 322, 350, 542, 575, 805, 1150, 1355, 1610, 1897, 2710, 3794, 4025, 6233, 6775, 8050, 9485, 12466, 13550, 18970, 31165, 43631, 47425, 62330, 87262, 94850, 155825, 218155, 311650, 436310, 1090775, 2181550]

約数ペア:

[(1, 2181550), (2, 1090775), (5, 436310), (7, 311650), (10, 218155), (14, 155825), (23, 94850), (25, 87262), (35, 62330), (46, 47425), (50, 43631), (70, 31165), (115, 18970), (161, 13550), (175, 12466), (230, 9485), (271, 8050), (322, 6775), (350, 6233), (542, 4025), (575, 3794), (805, 2710), (1150, 1897), (1355, 1610)]