6689980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{647}}^1$

素因数の和:714

約数の個数: 48

約数和(自身を含む): 15676416

約数和(自身を除く): 8986436

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 470, 517, 647, 940, 1034, 1294, 2068, 2585, 2588, 3235, 5170, 6470, 7117, 10340, 12940, 14234, 28468, 30409, 35585, 60818, 71170, 121636, 142340, 152045, 304090, 334499, 608180, 668998, 1337996, 1672495, 3344990, 6689980]

約数ペア:

[(1, 6689980), (2, 3344990), (4, 1672495), (5, 1337996), (10, 668998), (11, 608180), (20, 334499), (22, 304090), (44, 152045), (47, 142340), (55, 121636), (94, 71170), (110, 60818), (188, 35585), (220, 30409), (235, 28468), (470, 14234), (517, 12940), (647, 10340), (940, 7117), (1034, 6470), (1294, 5170), (2068, 3235), (2585, 2588)]