420690896

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{295429}}^1$

素因数の和:295526

約数の個数: 20

約数和(自身を含む): 824249700

約数和(自身を除く): 403558804

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 295429, 590858, 1181716, 2363432, 4726864, 26293181, 52586362, 105172724, 210345448, 420690896]

約数ペア:

[(1, 420690896), (2, 210345448), (4, 105172724), (8, 52586362), (16, 26293181), (89, 4726864), (178, 2363432), (356, 1181716), (712, 590858), (1424, 295429)]