7047940

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 15467760

約数和(自身を除く): 8419820

約数列:

[1, 2, 4, 5, 10, 20, 53, 61, 106, 109, 122, 212, 218, 244, 265, 305, 436, 530, 545, 610, 1060, 1090, 1220, 2180, 3233, 5777, 6466, 6649, 11554, 12932, 13298, 16165, 23108, 26596, 28885, 32330, 33245, 57770, 64660, 66490, 115540, 132980, 352397, 704794, 1409588, 1761985, 3523970, 7047940]

約数ペア:

[(1, 7047940), (2, 3523970), (4, 1761985), (5, 1409588), (10, 704794), (20, 352397), (53, 132980), (61, 115540), (106, 66490), (109, 64660), (122, 57770), (212, 33245), (218, 32330), (244, 28885), (265, 26596), (305, 23108), (436, 16165), (530, 13298), (545, 12932), (610, 11554), (1060, 6649), (1090, 6466), (1220, 5777), (2180, 3233)]