207612680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{471847}}^1$

素因数の和:471869

約数の個数: 32

約数和(自身を含む): 509595840

約数和(自身を除く): 301983160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 471847, 943694, 1887388, 2359235, 3774776, 4718470, 5190317, 9436940, 10380634, 18873880, 20761268, 25951585, 41522536, 51903170, 103806340, 207612680]

約数ペア:

[(1, 207612680), (2, 103806340), (4, 51903170), (5, 41522536), (8, 25951585), (10, 20761268), (11, 18873880), (20, 10380634), (22, 9436940), (40, 5190317), (44, 4718470), (55, 3774776), (88, 2359235), (110, 1887388), (220, 943694), (440, 471847)]