28874950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1433}}^1$

素因数の和:1489

約数の個数: 48

約数和(自身を含む): 59746176

約数和(自身を除く): 30871226

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 130, 155, 310, 325, 403, 650, 775, 806, 1433, 1550, 2015, 2866, 4030, 7165, 10075, 14330, 18629, 20150, 35825, 37258, 44423, 71650, 88846, 93145, 186290, 222115, 444230, 465725, 577499, 931450, 1110575, 1154998, 2221150, 2887495, 5774990, 14437475, 28874950]

約数ペア:

[(1, 28874950), (2, 14437475), (5, 5774990), (10, 2887495), (13, 2221150), (25, 1154998), (26, 1110575), (31, 931450), (50, 577499), (62, 465725), (65, 444230), (130, 222115), (155, 186290), (310, 93145), (325, 88846), (403, 71650), (650, 44423), (775, 37258), (806, 35825), (1433, 20150), (1550, 18629), (2015, 14330), (2866, 10075), (4030, 7165)]