309942680

素因数分解:

$2^3\times 5^1\times {\mathrm{419}}^1\times {\mathrm{18493}}^1$

素因数の和:18923

約数の個数: 32

約数和(自身を含む): 699073200

約数和(自身を除く): 389130520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 419, 838, 1676, 2095, 3352, 4190, 8380, 16760, 18493, 36986, 73972, 92465, 147944, 184930, 369860, 739720, 7748567, 15497134, 30994268, 38742835, 61988536, 77485670, 154971340, 309942680]

約数ペア:

[(1, 309942680), (2, 154971340), (4, 77485670), (5, 61988536), (8, 38742835), (10, 30994268), (20, 15497134), (40, 7748567), (419, 739720), (838, 369860), (1676, 184930), (2095, 147944), (3352, 92465), (4190, 73972), (8380, 36986), (16760, 18493)]