2021933060

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{431}}^1\times {\mathrm{4787}}^1$

素因数の和:5241

約数の個数: 72

約数和(自身を含む): 4951787904

約数和(自身を除く): 2929854844

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 431, 490, 862, 980, 1724, 2155, 3017, 4310, 4787, 6034, 8620, 9574, 12068, 15085, 19148, 21119, 23935, 30170, 33509, 42238, 47870, 60340, 67018, 84476, 95740, 105595, 134036, 167545, 211190, 234563, 335090, 422380, 469126, 670180, 938252, 1172815, 2063197, 2345630, 4126394, 4691260, 8252788, 10315985, 14442379, 20631970, 28884758, 41263940, 57769516, 72211895, 101096653, 144423790, 202193306, 288847580, 404386612, 505483265, 1010966530, 2021933060]

約数ペア:

[(1, 2021933060), (2, 1010966530), (4, 505483265), (5, 404386612), (7, 288847580), (10, 202193306), (14, 144423790), (20, 101096653), (28, 72211895), (35, 57769516), (49, 41263940), (70, 28884758), (98, 20631970), (140, 14442379), (196, 10315985), (245, 8252788), (431, 4691260), (490, 4126394), (862, 2345630), (980, 2063197), (1724, 1172815), (2155, 938252), (3017, 670180), (4310, 469126), (4787, 422380), (6034, 335090), (8620, 234563), (9574, 211190), (12068, 167545), (15085, 134036), (19148, 105595), (21119, 95740), (23935, 84476), (30170, 67018), (33509, 60340), (42238, 47870)]