127978410

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{609421}}^1$

素因数の和:609438

約数の個数: 32

約数和(自身を含む): 351027072

約数和(自身を除く): 223048662

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 609421, 1218842, 1828263, 3047105, 3656526, 4265947, 6094210, 8531894, 9141315, 12797841, 18282630, 21329735, 25595682, 42659470, 63989205, 127978410]

約数ペア:

[(1, 127978410), (2, 63989205), (3, 42659470), (5, 25595682), (6, 21329735), (7, 18282630), (10, 12797841), (14, 9141315), (15, 8531894), (21, 6094210), (30, 4265947), (35, 3656526), (42, 3047105), (70, 1828263), (105, 1218842), (210, 609421)]