421145260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1\times {\mathrm{4001}}^1$

素因数の和:4306

約数の個数: 48

約数和(自身を含む): 934547040

約数和(自身を除く): 513401780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 277, 380, 554, 1108, 1385, 2770, 4001, 5263, 5540, 8002, 10526, 16004, 20005, 21052, 26315, 40010, 52630, 76019, 80020, 105260, 152038, 304076, 380095, 760190, 1108277, 1520380, 2216554, 4433108, 5541385, 11082770, 21057263, 22165540, 42114526, 84229052, 105286315, 210572630, 421145260]

約数ペア:

[(1, 421145260), (2, 210572630), (4, 105286315), (5, 84229052), (10, 42114526), (19, 22165540), (20, 21057263), (38, 11082770), (76, 5541385), (95, 4433108), (190, 2216554), (277, 1520380), (380, 1108277), (554, 760190), (1108, 380095), (1385, 304076), (2770, 152038), (4001, 105260), (5263, 80020), (5540, 76019), (8002, 52630), (10526, 40010), (16004, 26315), (20005, 21052)]