129641260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{132287}}^1$

素因数の和:132310

約数の個数: 36

約数和(自身を含む): 316697472

約数和(自身を除く): 187056212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 132287, 264574, 529148, 661435, 926009, 1322870, 1852018, 2645740, 3704036, 4630045, 6482063, 9260090, 12964126, 18520180, 25928252, 32410315, 64820630, 129641260]

約数ペア:

[(1, 129641260), (2, 64820630), (4, 32410315), (5, 25928252), (7, 18520180), (10, 12964126), (14, 9260090), (20, 6482063), (28, 4630045), (35, 3704036), (49, 2645740), (70, 1852018), (98, 1322870), (140, 926009), (196, 661435), (245, 529148), (490, 264574), (980, 132287)]