2122619.00000000

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{127711}}^1$

素因数の和:127731

約数の個数: 40

約数和(自身を含む): 190035456

約数和(自身を除く): 118517296

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 127711, 255422, 510844, 638555, 893977, 1021688, 1277110, 1787954, 2043376, 2554220, 3575908, 4469885, 5108440, 7151816, 8939770, 10216880, 14303632, 17879540, 35759080, 71518160]

約数ペア:

[(1, 71518160), (2, 35759080), (4, 17879540), (5, 14303632), (7, 10216880), (8, 8939770), (10, 7151816), (14, 5108440), (16, 4469885), (20, 3575908), (28, 2554220), (35, 2043376), (40, 1787954), (56, 1277110), (70, 1021688), (80, 893977), (112, 638555), (140, 510844), (280, 255422), (560, 127711)]