1229121020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1\times {\mathrm{11677}}^1$

素因数の和:11982

約数の個数: 48

約数和(自身を含む): 2727046560

約数和(自身を除く): 1497925540

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 277, 380, 554, 1108, 1385, 2770, 5263, 5540, 10526, 11677, 21052, 23354, 26315, 46708, 52630, 58385, 105260, 116770, 221863, 233540, 443726, 887452, 1109315, 2218630, 3234529, 4437260, 6469058, 12938116, 16172645, 32345290, 61456051, 64690580, 122912102, 245824204, 307280255, 614560510, 1229121020]

約数ペア:

[(1, 1229121020), (2, 614560510), (4, 307280255), (5, 245824204), (10, 122912102), (19, 64690580), (20, 61456051), (38, 32345290), (76, 16172645), (95, 12938116), (190, 6469058), (277, 4437260), (380, 3234529), (554, 2218630), (1108, 1109315), (1385, 887452), (2770, 443726), (5263, 233540), (5540, 221863), (10526, 116770), (11677, 105260), (21052, 58385), (23354, 52630), (26315, 46708)]