297841640

素因数分解:

$2^3\times 5^1\times {\mathrm{659}}^1\times {\mathrm{11299}}^1$

素因数の和:11969

約数の個数: 32

約数和(自身を含む): 671220000

約数和(自身を除く): 373378360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 659, 1318, 2636, 3295, 5272, 6590, 11299, 13180, 22598, 26360, 45196, 56495, 90392, 112990, 225980, 451960, 7446041, 14892082, 29784164, 37230205, 59568328, 74460410, 148920820, 297841640]

約数ペア:

[(1, 297841640), (2, 148920820), (4, 74460410), (5, 59568328), (8, 37230205), (10, 29784164), (20, 14892082), (40, 7446041), (659, 451960), (1318, 225980), (2636, 112990), (3295, 90392), (5272, 56495), (6590, 45196), (11299, 26360), (13180, 22598)]